Sandisk (SNDK) Options Chain

NASDAQ: SNDKTechnologyElectronic ComponentsUSD

1,581.82-27.64 (-1.72%)

At close: Oct 9, 4:00 PM ET · Delayed 15 min

Expiration date

Expiration: Oct 23, 2026
Days to expiration: 12
Share price: $1,581.82
Put/call ratio (OI): 1.02
Put/call ratio (volume): 0.77
ATM implied volatility: 55.7%
Expected move: ±$159.70
Open interest (C / P): 11.95K / 12.24K

SNDK options summary

The SNDK options chain for the October 23, 2026 expiration lists 215 call and 232 put contracts, with 12 days until expiration. Open interest stands at 11,950 calls and 12,242 puts, a put/call ratio of 1.02, which is fairly balanced between calls and puts. At-the-money implied volatility near the $1,580.00 strike is 55.7%, which implies the market expects a move of about ±$159.70 (10.1%) in Sandisk stock by expiration.

The most open interest sits at the $2,300.00 call (974 contracts) and the $1,500.00 put (787 contracts).

Summary generated from market data by MetaCap's automated system. Methodology

SNDK options chain · October 23, 2026

SNDK calls and puts by strike price. Shaded cells are in the money.
Calls							Puts
OI	Vol	IV	Last	Bid	Ask	Strike	Bid	Ask	Last	IV	Vol	OI
1	—	184.7%	1,032.00	817.70	830.80	760.00	0.00	0.20	0.10	129.3%	5	25
—	—	—	—	—	—	770.00	0.00	7.20	0.14	193.1%	4	11
—	—	—	—	—	—	780.00	0.00	7.20	0.16	190.0%	4	24
—	—	—	—	—	—	790.00	0.00	7.30	0.16	187.3%	4	9
1	2	177.9%	921.40	777.80	791.70	800.00	0.00	7.30	0.50	184.3%	4	68
—	—	—	—	—	—	810.00	0.00	7.30	1.88	181.3%	—	1
—	—	—	—	—	—	820.00	0.00	7.30	0.20	178.3%	4	5
1	—	169.7%	901.09	747.90	761.70	830.00	—	—	—	—	—	—
—	—	—	—	—	—	840.00	0.00	7.30	0.50	172.4%	—	9
—	—	—	—	—	—	850.00	0.00	0.25	0.55	112.8%	—	49
—	—	—	—	—	—	860.00	0.00	7.30	1.05	166.7%	2	28
2	1	159.4%	890.00	708.00	721.80	870.00	0.00	7.30	0.17	163.9%	4	22
2	1	153.8%	880.00	698.00	711.10	880.00	0.00	7.30	0.13	161.1%	3	36
1	—	151.1%	870.00	688.00	701.10	890.00	0.00	10.00	0.37	167.2%	6	15
2	1	152.2%	860.00	678.10	691.90	900.00	0.00	10.00	0.21	164.4%	1	19
—	—	—	—	—	—	910.00	0.00	0.50	0.86	108.1%	8	9
—	—	—	—	—	—	920.00	0.00	3.20	0.27	132.4%	6	1
—	—	—	—	—	—	930.00	0.00	2.95	0.22	128.6%	12	10
1	—	139.9%	590.00	638.20	651.30	940.00	0.00	2.85	0.30	125.6%	8	20
—	—	—	—	—	—	950.00	0.00	2.75	0.35	122.7%	10	25
—	—	—	—	—	—	960.00	0.00	2.55	0.35	119.2%	12	37
5	1	134.5%	736.70	608.30	621.80	970.00	0.00	2.35	0.27	115.7%	10	20
—	—	—	—	—	—	975.00	0.00	2.30	0.35	114.3%	8	12
—	—	—	—	—	—	980.00	0.00	2.10	0.22	111.8%	8	23
—	—	—	—	—	—	985.00	0.00	2.10	0.40	110.8%	10	16
1	2	130.3%	730.32	588.40	601.90	990.00	0.00	2.10	0.45	109.7%	134	24
2	1	126.0%	744.00	583.40	596.00	995.00	0.00	2.15	0.35	109.0%	29	32
1	2	126.5%	720.35	578.40	591.50	1,000.00	0.40	0.45	0.40	96.3%	104	190
2	1	125.3%	734.00	573.40	586.50	1,005.00	0.00	2.15	0.28	106.9%	4	61
1	1	124.1%	777.40	568.40	581.50	1,010.00	0.00	2.20	0.57	106.1%	8	54
—	—	—	—	—	—	1,015.00	0.00	2.25	0.49	105.4%	8	39
—	—	—	—	—	—	1,020.00	0.05	2.70	0.47	107.3%	4	7
—	—	—	—	—	—	1,025.00	0.00	1.40	0.10	97.2%	28	9
—	—	—	—	—	—	1,030.00	0.25	2.30	0.41	104.0%	112	7
—	—	—	—	—	—	1,035.00	0.05	2.25	0.55	101.6%	130	4
—	—	—	—	—	—	1,040.00	0.05	2.25	0.70	100.5%	10	32
—	—	—	—	—	—	1,045.00	0.35	2.30	0.70	101.5%	10	6
—	—	—	—	—	—	1,050.00	0.00	2.30	0.80	98.5%	10	6
—	—	—	—	—	—	1,060.00	0.20	1.55	0.60	93.0%	136	9
—	—	—	—	—	—	1,065.00	0.00	2.40	0.70	96.0%	4	21
—	—	—	—	—	—	1,070.00	0.20	2.40	0.71	96.1%	88	13
—	—	—	—	—	—	1,080.00	0.35	1.50	0.69	89.7%	4	12
—	—	—	—	—	—	1,085.00	0.00	2.65	0.82	93.3%	4	22
—	—	—	—	—	—	1,090.00	0.00	2.50	0.78	91.5%	88	18
—	—	—	—	—	—	1,095.00	0.00	2.50	0.73	90.5%	186	34
—	—	—	—	—	—	1,100.00	0.05	1.75	0.78	85.5%	1	164
—	—	—	—	—	—	1,105.00	0.00	2.55	0.92	88.8%	2	15
—	—	—	—	—	—	1,110.00	0.10	2.65	0.90	88.8%	44	1
—	—	—	—	—	—	1,115.00	0.05	2.65	0.91	87.5%	18	4
—	—	—	—	—	—	1,120.00	0.40	2.70	0.88	88.3%	356	20
—	—	—	—	—	—	1,125.00	0.25	3.50	0.93	89.9%	8	14
—	—	—	—	—	—	1,130.00	0.00	2.80	0.98	85.0%	364	92
0	1	99.5%	411.50	444.20	457.20	1,135.00	0.70	1.95	1.06	83.4%	40	35
—	—	—	—	—	—	1,140.00	0.05	7.90	1.06	98.8%	2	65
—	—	—	—	—	—	1,150.00	0.55	3.50	1.36	85.9%	22	61
1	1	90.0%	455.64	418.20	431.60	1,160.00	0.85	3.10	1.18	83.5%	87	78
—	—	—	—	—	—	1,170.00	0.00	3.50	1.25	80.0%	30	92
—	—	—	—	—	—	1,180.00	0.70	2.20	1.36	75.8%	197	34
—	—	—	—	—	—	1,190.00	0.00	3.10	1.45	74.7%	73	14
3	—	88.1%	598.32	380.00	392.80	1,200.00	1.00	3.60	1.35	77.6%	193	199
—	—	—	—	—	—	1,210.00	0.05	2.40	1.55	68.3%	22	27
1	—	84.6%	590.00	360.20	373.10	1,220.00	0.30	4.00	1.61	72.8%	29	185
—	—	—	—	—	—	1,230.00	1.45	3.70	1.80	73.1%	9	47
—	—	—	—	—	—	1,240.00	0.05	9.50	1.95	80.0%	2	21
3	1	79.9%	527.69	330.80	343.60	1,250.00	1.55	4.40	1.95	70.9%	18	50
1	—	78.5%	360.00	321.00	333.90	1,260.00	0.40	5.10	3.30	67.9%	2	17
2	1	77.1%	494.00	311.40	324.10	1,270.00	1.05	4.80	2.75	66.7%	1	103
4	1	75.5%	337.20	301.50	314.40	1,280.00	1.40	5.00	3.16	65.8%	12	44
—	—	—	—	—	—	1,290.00	1.65	5.20	4.50	64.7%	5	52
28	1	72.8%	341.30	282.10	295.10	1,300.00	2.90	5.30	3.53	65.0%	12	110
1	—	72.1%	502.00	277.20	290.30	1,305.00	3.10	4.80	3.00	63.5%	2	13
2	1	71.3%	525.00	272.40	285.40	1,310.00	1.05	8.00	4.10	64.3%	8	25
—	—	—	—	—	—	1,315.00	3.40	5.00	3.77	62.3%	9	272
2	1	70.3%	396.80	262.80	276.00	1,320.00	1.80	5.20	4.50	58.9%	1	13
1	1	69.7%	291.70	258.10	271.20	1,325.00	3.90	5.50	6.95	61.7%	13	156
—	—	—	—	—	—	1,330.00	4.20	5.70	4.87	61.4%	2	94
0	—	68.6%	495.00	248.60	261.80	1,335.00	4.50	6.10	4.60	61.3%	40	29
1	1	68.4%	377.35	244.20	257.10	1,340.00	4.70	6.40	8.10	60.9%	50	119
—	—	—	—	—	—	1,345.00	5.00	6.60	4.40	60.4%	8	44
1	—	67.3%	376.12	234.80	247.70	1,350.00	5.50	6.30	6.10	59.6%	88	152
2	2	66.5%	366.44	229.80	243.10	1,355.00	5.80	7.30	6.70	60.0%	21	26
2	1	66.0%	359.21	225.10	238.50	1,360.00	6.00	7.70	6.20	59.6%	2	52
15	1	64.9%	535.50	220.50	233.20	1,365.00	6.30	8.00	7.00	59.2%	4	163
16	1	65.1%	404.90	216.30	228.90	1,370.00	6.80	8.50	7.00	59.1%	1	78
—	—	—	—	—	—	1,375.00	7.20	8.90	7.20	58.8%	27	16
4	4	64.6%	382.77	207.20	220.20	1,380.00	7.70	8.50	8.10	57.8%	11	46
—	—	—	—	—	—	1,385.00	8.10	9.90	8.10	58.3%	4	156
5	1	63.0%	207.33	199.70	208.70	1,390.00	8.70	9.60	10.10	57.4%	63	55
1	—	62.1%	434.32	194.30	204.50	1,395.00	9.30	11.10	9.20	58.1%	4	112
8	11	61.8%	215.54	190.00	200.00	1,400.00	10.20	11.20	10.80	57.8%	57	232
—	—	—	—	—	—	1,405.00	10.00	12.40	11.80	57.4%	22	65
—	—	—	—	—	—	1,410.00	10.70	13.10	10.18	57.3%	2	59
—	—	—	—	—	—	1,415.00	11.60	13.60	11.00	57.1%	2	25
0	1	62.0%	478.15	172.80	184.70	1,420.00	12.40	14.60	13.93	57.2%	14	199
1	1	59.9%	193.45	167.70	178.50	1,425.00	13.30	15.30	12.20	57.1%	35	69
1	1	60.2%	308.57	164.40	174.30	1,430.00	14.10	16.10	16.12	57.0%	10	53
1	1	59.4%	261.20	159.30	170.20	1,435.00	15.20	16.70	15.95	56.8%	30	71
11	—	60.2%	358.93	156.10	166.80	1,440.00	15.70	17.90	15.84	56.6%	3	48
13	—	59.0%	350.09	151.10	162.10	1,445.00	16.80	18.50	18.21	56.4%	13	123
25	1	58.9%	154.03	147.30	158.00	1,450.00	17.70	20.00	18.50	56.5%	55	256
1	—	58.8%	341.13	143.40	154.10	1,455.00	18.40	20.90	19.00	56.1%	9	50
—	—	—	—	—	—	1,460.00	19.60	21.40	19.60	55.7%	51	104
—	—	—	—	—	—	1,465.00	20.60	23.10	20.65	55.9%	7	42
1	5	58.8%	151.99	132.70	142.60	1,470.00	21.80	24.30	24.00	55.8%	51	186
1	1	59.8%	211.15	128.90	141.00	1,475.00	23.00	25.60	25.58	55.7%	28	75
8	8	58.6%	320.27	125.30	135.20	1,480.00	24.60	26.60	25.88	55.6%	29	162
1	2	59.0%	151.50	122.30	131.90	1,485.00	25.90	28.10	26.07	55.6%	3	60
1	1	59.9%	136.80	118.10	131.10	1,490.00	27.30	29.50	28.39	55.5%	37	128
2	2	58.1%	168.40	114.60	124.20	1,495.00	28.60	31.00	29.79	55.4%	46	88
48	6	58.3%	116.12	111.10	121.40	1,500.00	30.30	33.20	31.50	55.7%	509	787
1	—	58.5%	308.53	107.70	118.50	1,505.00	31.20	34.20	29.25	55.0%	4	99
8	2	57.7%	114.45	104.40	113.70	1,510.00	32.60	36.00	34.44	54.9%	17	113
7	3	57.9%	105.77	101.10	111.00	1,515.00	34.20	37.80	36.88	54.9%	13	69
24	120	57.9%	105.00	98.00	107.80	1,520.00	36.00	39.60	38.68	54.9%	10	89
28	2	57.7%	115.00	94.70	104.60	1,525.00	37.80	41.40	37.40	54.8%	13	94
20	12	57.5%	110.15	91.40	101.30	1,530.00	39.90	43.10	41.54	54.8%	37	123
4	3	57.5%	93.20	88.60	98.20	1,535.00	41.70	45.40	39.97	54.8%	18	50
9	11	57.8%	102.72	86.50	95.10	1,540.00	43.70	47.70	40.02	54.9%	4	177
7	9	57.4%	238.70	82.80	92.20	1,545.00	45.80	49.70	47.28	54.8%	8	27
11	8	58.0%	88.55	81.20	89.70	1,550.00	48.00	51.70	49.80	54.8%	33	207
63	1	58.6%	81.40	80.10	86.60	1,555.00	50.20	54.00	53.43	54.8%	10	64
32	2	57.1%	192.00	77.50	80.40	1,560.00	52.70	56.10	56.45	54.8%	6	78
3	—	57.0%	303.60	74.70	77.70	1,565.00	55.10	58.60	52.56	54.8%	11	43
11	9	56.7%	73.14	71.00	75.70	1,570.00	57.50	62.30	60.27	55.4%	27	79
2	11	56.8%	71.07	69.30	72.50	1,575.00	59.80	63.40	63.75	54.7%	10	32
12	29	56.7%	68.67	66.50	70.30	1,580.00	62.40	65.80	65.00	54.6%	38	113
SNDK $1,581.82
5	10	56.8%	66.08	64.50	67.60	1,585.00	65.20	68.10	66.00	54.6%	71	57
16	46	56.9%	65.80	62.50	65.30	1,590.00	67.80	71.00	71.23	54.7%	65	32
22	26	56.8%	62.10	59.90	63.10	1,595.00	70.30	74.10	73.91	54.7%	99	51
185	863	56.5%	59.23	58.10	59.90	1,600.00	73.60	76.20	74.90	54.6%	281	332
67	59	57.0%	67.90	56.10	58.70	1,605.00	76.00	79.80	69.17	54.8%	45	14
15	41	56.7%	54.80	53.00	56.90	1,610.00	78.90	82.50	79.08	54.7%	28	87
14	40	56.8%	57.00	51.40	54.70	1,615.00	81.70	85.80	80.50	54.7%	15	9
22	92	56.6%	51.00	50.00	51.60	1,620.00	84.90	88.90	89.40	54.8%	46	59
4	294	58.6%	49.00	47.60	54.80	1,625.00	87.80	92.30	72.30	54.9%	3	79
29	35	56.6%	48.50	45.60	48.50	1,630.00	91.00	95.50	83.53	55.0%	10	47
27	64	56.7%	52.00	43.40	47.20	1,635.00	93.60	98.80	85.72	54.7%	2	46
101	47	56.9%	47.00	41.70	45.70	1,640.00	95.70	105.00	98.00	55.5%	9	154
19	3	57.2%	48.50	40.90	43.80	1,645.00	98.70	108.70	94.60	55.6%	5	95
207	65	57.1%	40.50	39.20	41.90	1,650.00	102.30	112.60	102.98	55.9%	33	459
36	9	56.9%	38.80	36.80	40.80	1,655.00	104.90	116.00	109.70	55.6%	9	43
46	9	57.3%	46.00	36.10	39.10	1,660.00	108.20	118.70	108.11	55.1%	147	94
44	10	57.4%	35.90	34.70	37.80	1,665.00	111.20	121.80	107.56	54.7%	1	18
179	10	57.4%	36.18	33.20	36.20	1,670.00	114.90	125.40	114.00	54.8%	4	69
16	5	57.0%	32.77	31.10	34.80	1,675.00	118.50	129.00	109.00	54.8%	3	65
43	11	57.4%	32.30	30.40	33.50	1,680.00	122.30	132.60	129.12	54.8%	4	37
90	16	57.5%	51.10	29.30	32.10	1,685.00	126.70	136.40	104.81	55.2%	5	25
60	5	57.7%	31.50	28.20	31.00	1,690.00	130.50	140.10	122.70	55.2%	14	29
28	7	57.6%	30.00	26.90	29.70	1,695.00	133.90	143.90	133.72	55.0%	1	47
418	96	57.5%	27.00	26.20	27.70	1,700.00	138.20	147.80	145.50	55.3%	20	304
51	4	57.3%	27.25	24.90	26.40	1,705.00	140.90	151.60	133.59	54.6%	1	34
126	19	57.9%	24.56	23.80	26.30	1,710.00	145.70	156.80	138.50	55.8%	10	44
74	4	58.0%	26.89	22.80	25.40	1,715.00	149.40	159.50	140.60	55.0%	2	23
121	26	58.0%	24.90	21.80	24.30	1,720.00	153.80	164.70	143.91	55.8%	1	93
63	11	58.0%	21.79	20.40	23.60	1,725.00	156.90	167.60	165.00	54.7%	3	17
80	16	58.3%	24.00	19.90	22.70	1,730.00	162.30	172.80	144.34	56.1%	1	79
59	5	58.4%	20.13	19.10	21.80	1,735.00	165.80	176.90	170.84	55.7%	1	28
80	26	58.3%	19.33	18.30	20.70	1,740.00	170.70	181.10	166.75	56.2%	3	55
30	7	58.6%	22.15	17.50	20.20	1,745.00	174.50	185.30	155.50	56.0%	2	31
252	100	58.5%	17.51	17.00	18.80	1,750.00	178.50	189.50	174.05	55.9%	7	199
46	11	58.0%	16.90	16.00	17.40	1,755.00	182.80	193.80	146.49	56.0%	2	4
55	41	58.4%	16.80	15.40	17.10	1,760.00	187.50	198.10	185.70	56.3%	2	21
59	5	58.8%	15.36	14.60	17.00	1,765.00	191.40	201.40	189.87	55.4%	3	9
53	23	58.3%	15.16	14.10	15.30	1,770.00	196.60	205.80	125.30	56.0%	7	63
51	3	58.6%	18.00	13.50	15.00	1,775.00	200.30	210.20	124.97	55.6%	3	31
45	18	58.4%	14.20	12.90	14.00	1,780.00	204.70	214.60	192.96	55.6%	4	55
26	6	58.6%	27.95	12.10	13.70	1,785.00	209.60	219.10	187.90	56.0%	2	16
61	178	59.1%	12.76	11.80	13.50	1,790.00	212.90	223.60	145.11	55.2%	1	8
34	1	59.3%	15.69	11.20	13.10	1,795.00	215.30	226.50	216.40	52.0%	10	29
388	482	59.1%	12.00	11.00	12.00	1,800.00	222.70	232.60	226.03	55.9%	16	56
14	3	59.6%	12.30	10.30	12.20	1,805.00	227.20	237.20	144.00	56.0%	2	6
83	258	59.7%	10.85	9.90	11.70	1,810.00	231.70	240.20	170.17	54.5%	3	9
64	4	60.1%	13.30	9.30	11.70	1,815.00	236.40	246.40	240.02	56.2%	1	5
59	170	60.4%	10.20	9.20	11.10	1,820.00	241.00	251.00	130.00	56.2%	1	7
93	48	60.4%	9.60	8.70	10.70	1,825.00	245.60	253.90	242.80	54.6%	10	23
52	220	60.6%	9.23	8.50	10.20	1,830.00	250.20	260.80	151.73	56.9%	1	11
59	4	60.9%	10.80	8.10	10.00	1,835.00	252.60	265.10	178.10	54.2%	4	9
244	287	61.0%	8.70	7.90	9.50	1,840.00	257.10	270.20	159.00	54.4%	2	3
49	9	61.0%	8.90	7.60	8.90	1,845.00	264.20	274.90	191.10	57.2%	2	21
264	710	61.3%	8.00	7.40	8.60	1,850.00	269.20	279.50	246.50	57.5%	2	42
21	35	61.7%	9.45	7.00	8.70	1,855.00	273.80	284.20	260.75	57.4%	2	1
85	226	61.8%	7.46	6.60	8.40	1,860.00	278.50	289.00	280.84	57.6%	3	10
72	7	61.7%	7.16	6.40	7.80	1,865.00	282.50	293.80	187.28	56.8%	2	16
57	170	62.2%	7.04	6.10	7.90	1,870.00	285.50	298.50	254.50	54.4%	1	46
23	6	62.1%	7.10	5.60	7.60	1,875.00	290.30	303.30	385.50	54.5%	—	1
33	144	62.8%	6.99	5.80	7.40	1,880.00	295.10	308.10	286.25	54.5%	1	14
41	7	62.6%	7.50	5.30	7.10	1,885.00	300.70	312.90	303.40	55.8%	10	14
44	124	63.0%	6.21	5.10	7.00	1,890.00	304.70	317.70	308.91	54.5%	1	6
17	6	63.2%	6.10	4.90	6.80	1,895.00	309.60	322.50	215.40	54.7%	2	1
272	275	63.5%	5.59	5.20	6.20	1,900.00	315.20	327.30	323.42	56.0%	7	30
70	108	63.9%	5.47	4.40	6.20	1,910.00	324.70	337.00	316.71	55.8%	2	4
97	87	64.7%	5.08	4.30	5.90	1,920.00	334.50	346.70	342.30	56.0%	2	6
180	72	65.3%	4.86	4.00	5.70	1,930.00	343.60	356.40	283.90	54.5%	1	3
99	70	66.1%	4.65	4.00	5.30	1,940.00	354.00	368.10	362.39	60.3%	3	4
135	123	66.9%	4.51	3.80	5.20	1,950.00	363.20	375.90	302.35	54.4%	1	6
120	56	67.3%	4.55	3.30	5.10	1,960.00	373.00	385.70	343.92	54.2%	8	4
81	33	67.5%	4.29	3.00	4.80	1,970.00	382.80	395.60	294.75	54.2%	60	79
91	6	69.0%	3.90	3.20	4.70	1,980.00	393.30	405.40	314.00	56.3%	1	5
25	2	68.7%	4.27	2.65	4.40	1,990.00	403.20	415.30	244.50	56.7%	2	2
295	143	69.2%	3.20	3.00	3.70	2,000.00	414.70	425.10	400.00	61.9%	2	69
59	9	70.5%	3.50	2.55	4.20	2,010.00	422.30	435.00	372.66	52.8%	2	5
103	16	71.1%	3.65	2.45	4.00	2,020.00	432.20	444.90	391.21	52.3%	8	4
38	13	72.2%	3.05	2.55	3.90	2,030.00	442.70	454.80	428.64	56.0%	1	3
47	2	72.7%	2.80	2.50	3.60	2,040.00	452.00	464.70	404.30	84.0%	8	4
69	59	72.0%	2.65	2.30	3.00	2,050.00	461.90	474.60	426.30	85.0%	1	5
99	1	71.2%	2.55	1.60	2.90	2,060.00	471.90	484.50	352.00	85.9%	1	1
35	2	73.1%	2.90	1.45	3.40	2,070.00	—	—	—	—	—	—
24	12	74.9%	2.94	1.85	3.30	2,080.00	—	—	—	—	—	—
10	1	79.4%	19.20	1.10	5.60	2,090.00	—	—	—	—	—	—
135	25	75.4%	2.08	1.40	3.10	2,100.00	—	—	—	—	—	—
100	5	76.2%	2.15	1.30	3.10	2,110.00	521.60	534.10	458.70	90.7%	1	2
56	9	76.1%	2.20	1.10	2.90	2,120.00	531.50	544.10	384.00	91.8%	1	4
61	4	76.8%	1.90	1.05	2.85	2,130.00	—	—	—	—	—	—
23	1	79.1%	1.80	1.55	2.80	2,140.00	551.40	564.00	444.20	93.8%	2	1
184	9	75.4%	1.75	0.95	1.95	2,150.00	—	—	—	—	—	—
54	5	78.5%	1.70	0.85	2.65	2,160.00	—	—	—	—	—	—
68	6	79.6%	1.65	1.00	2.55	2,170.00	581.30	593.90	386.80	96.8%	—	0
34	2	79.5%	1.55	0.75	2.50	2,180.00	591.30	603.80	469.95	97.6%	—	0
3	4	79.9%	1.40	0.75	2.35	2,190.00	601.30	613.80	448.00	98.7%	1	3
226	49	80.7%	1.50	0.70	2.35	2,200.00	612.80	623.80	596.03	60.8%	19	2
92	1	82.2%	5.85	0.90	2.30	2,210.00	621.20	633.70	545.54	100.5%	2	0
24	2	81.6%	0.80	0.60	2.20	2,220.00	631.20	643.70	552.79	101.5%	8	4
17	11	82.1%	1.40	0.55	2.15	2,230.00	641.20	653.70	560.00	102.6%	6	0
5	3	83.2%	4.39	0.70	2.05	2,240.00	651.10	663.70	570.18	103.7%	43	0
49	7	83.0%	1.75	0.45	2.05	2,250.00	661.10	673.70	579.34	104.7%	4	0
77	10	89.6%	2.78	0.00	4.00	2,260.00	671.10	683.60	588.14	105.4%	8	0
46	1	90.5%	3.00	0.00	4.00	2,270.00	681.10	693.60	594.03	106.4%	8	0
51	1	91.4%	5.63	0.00	4.00	2,280.00	691.00	703.60	603.30	107.4%	6	0
190	1	92.0%	4.10	0.00	3.90	2,290.00	701.00	713.60	612.68	108.4%	3	0
974	12	87.6%	1.21	0.75	1.80	2,300.00	711.00	723.60	599.56	109.4%	23	0
21	10	93.4%	1.41	0.00	3.80	2,310.00	721.00	733.60	631.49	110.4%	2	0
15	1	94.3%	1.20	0.00	3.80	2,320.00	731.00	743.60	638.96	111.4%	14	0
19	11	95.2%	2.40	0.00	3.80	2,330.00	—	—	—	—	—	—
52	9	90.7%	1.35	0.55	1.95	2,340.00	750.90	765.30	739.39	119.2%	1	1
15	4	88.1%	1.30	0.00	1.85	2,350.00	760.90	773.60	503.86	114.4%	—	0
10	4	97.4%	11.20	0.00	3.70	2,360.00	770.90	783.60	759.80	115.3%	1	1
53	1	97.9%	1.45	0.00	3.60	2,370.00	—	—	—	—	—	—
2	1	98.7%	5.90	0.00	3.60	2,380.00	—	—	—	—	—	—
42	1	99.6%	3.28	0.00	3.60	2,390.00	—	—	—	—	—	—
70	5	100.4%	2.50	0.00	3.60	2,400.00	—	—	—	—	—	—
28	3	100.9%	1.35	0.00	3.50	2,410.00	—	—	—	—	—	—
35	4	101.7%	1.10	0.00	3.50	2,420.00	830.90	843.60	813.50	121.0%	1	0
23	1	102.5%	4.10	0.00	3.50	2,430.00	—	—	—	—	—	—
47	1	103.3%	6.42	0.00	3.50	2,440.00	—	—	—	—	—	—
25	1	103.8%	2.39	0.00	3.40	2,450.00	—	—	—	—	—	—
14	3	104.5%	8.33	0.00	3.40	2,460.00	—	—	—	—	—	—
10	1	105.4%	4.40	0.00	3.40	2,470.00	—	—	—	—	—	—
148	3	106.2%	1.15	0.00	3.40	2,480.00	—	—	—	—	—	—
60	3	107.0%	1.02	0.00	3.40	2,490.00	—	—	—	—	—	—
319	90	96.6%	0.90	0.50	0.90	2,500.00	910.80	923.60	694.80	128.3%	1	0
123	294	108.1%	0.99	0.00	3.30	2,510.00	—	—	—	—	—	—
74	62	108.9%	0.91	0.00	3.30	2,520.00	—	—	—	—	—	—
10	3	109.7%	4.80	0.00	3.30	2,530.00	—	—	—	—	—	—
39	8	110.4%	1.04	0.00	3.30	2,540.00	—	—	—	—	—	—
23	2	111.6%	1.29	0.00	3.40	2,550.00	960.80	973.60	1,021.81	132.7%	—	0
8	3	115.3%	0.97	0.00	4.10	2,560.00	970.80	983.60	819.80	133.6%	—	0
5	5	117.5%	1.16	0.00	4.50	2,570.00	—	—	—	—	—	—
17	1	103.9%	0.80	0.00	1.60	2,580.00	—	—	—	—	—	—
31	1	123.5%	1.05	0.00	5.80	2,590.00	—	—	—	—	—	—
219	2	107.4%	0.60	0.05	1.85	2,600.00	1,010.70	1,023.60	834.80	137.0%	1	0
10	6	127.4%	0.79	0.00	6.60	2,610.00	—	—	—	—	—	—
19	3	131.3%	1.10	0.00	7.40	2,630.00	—	—	—	—	—	—
215	12	136.5%	0.80	0.00	8.50	2,660.00	—	—	—	—	—	—
10	8	117.4%	0.44	0.00	2.50	2,690.00	—	—	—	—	—	—
37	3	119.0%	0.40	0.05	2.60	2,700.00	—	—	—	—	—	—
11	10	143.1%	0.70	0.00	9.60	2,710.00	—	—	—	—	—	—
29	8	147.9%	0.63	0.00	10.00	2,760.00	—	—	—	—	—	—
1	2	149.5%	1.30	0.00	10.00	2,780.00	—	—	—	—	—	—
2	2	151.0%	0.80	0.00	10.00	2,800.00	—	—	—	—	—	—
6	4	130.5%	0.61	0.00	3.30	2,820.00	—	—	—	—	—	—
63	4	133.1%	0.76	0.00	3.40	2,850.00	—	—	—	—	—	—
267	31	115.8%	0.30	0.10	0.85	2,860.00	—	—	—	—	—	—

In-the-money callsIn-the-money puts. IV = implied volatility, OI = open interest (contracts). Each contract covers 100 shares. Quotes delayed at least 15 minutes.

Frequently asked questions

What is the SNDK put/call ratio?

For the October 23, 2026 expiration, the SNDK put/call ratio based on open interest is 1.02 (12,242 puts vs 11,950 calls), and 0.77 based on today's volume. A ratio above 1 means more puts than calls.

What is SNDK's implied volatility?

At-the-money implied volatility for SNDK options expiring October 23, 2026 is about 55.7%, an annualized estimate of how much the market expects Sandisk stock to move.

How many SNDK option expiration dates are there?

SNDK has 20 listed expiration dates, from Oct 16, 2026 to Jan 19, 2029.

What does "in the money" mean?

A call is in the money when the strike price is below the current share price; a put is in the money when the strike is above it. In-the-money contracts have intrinsic value and are shaded in the table.