Oklo (OKLO) Options Chain

NYSE: OKLOUtilitiesElectric Utilities: CentralUSD

34.70+0.13 (+0.38%)

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

Expiration date

Expiration: Oct 16, 2026
Days to expiration: 5
Share price: $34.70
Put/call ratio (OI): 0.41
Put/call ratio (volume): 0.78
ATM implied volatility: 64.0%
Expected move: ±$2.60
Open interest (C / P): 120.47K / 49.79K

OKLO options summary

The OKLO options chain for the October 16, 2026 expiration lists 63 call and 58 put contracts, with 5 days until expiration. Open interest stands at 120,475 calls and 49,790 puts, a put/call ratio of 0.41, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $34.50 strike is 64.0%, which implies the market expects a move of about ±$2.60 (7.5%) in Oklo stock by expiration.

The most open interest sits at the $45.00 call (58.53K contracts) and the $45.00 put (11.33K contracts).

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

OKLO options chain · October 16, 2026

OKLO 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
11	5	363.3%	15.00	13.75	15.40	20.00	0.00	0.01	0.01	156.3%	1	74
4	1	301.2%	15.80	11.30	12.90	22.50	0.00	0.02	0.02	134.4%	3	6,711
7	1	173.1%	9.35	9.05	9.90	25.00	0.00	0.01	0.02	96.9%	87	6,768
—	—	—	9.70	—	—	27.00	—	—	—	—	—	—
4	2	156.1%	6.75	6.20	7.15	28.00	0.00	0.02	0.02	71.9%	2	57
23	4	70.3%	5.57	5.30	6.15	29.00	0.00	0.11	0.03	80.5%	4	82
318	12	85.2%	4.50	4.25	4.85	30.00	0.06	0.10	0.07	73.4%	165	5,869
—	—	—	3.93	—	—	30.50	—	—	0.22	—	—	—
40	55	76.6%	3.62	3.45	3.90	31.00	0.08	0.23	0.13	71.1%	142	391
—	—	—	3.06	—	—	31.50	—	—	0.30	—	—	—
55	55	52.0%	2.64	2.49	3.15	32.00	0.18	0.27	0.27	63.3%	243	822
57	22	73.8%	2.31	2.03	2.66	32.50	0.27	0.42	0.35	65.0%	79	364
45	15	57.6%	1.98	1.89	2.25	33.00	0.42	0.48	0.44	63.4%	124	721
52	6	61.3%	1.52	1.68	1.87	33.50	0.54	0.70	0.70	64.2%	317	296
158	103	60.3%	1.44	1.36	1.53	34.00	0.75	0.91	0.83	65.2%	368	420
334	267	64.3%	1.20	1.13	1.35	34.50	0.97	1.09	1.03	63.7%	288	519
OKLO $34.70
1,536	523	61.9%	1.03	0.89	1.03	35.00	1.25	1.38	1.21	65.0%	419	4,446
889	515	68.5%	0.80	0.75	0.99	35.50	1.54	1.68	1.64	65.0%	67	219
420	370	63.7%	0.63	0.60	0.63	36.00	1.88	2.04	1.96	66.4%	184	453
409	199	64.7%	0.48	0.47	0.51	36.50	2.23	2.68	2.54	75.4%	17	143
463	299	65.5%	0.38	0.37	0.40	37.00	2.59	3.10	3.01	76.8%	278	369
295	133	65.4%	0.31	0.25	0.33	37.50	3.00	3.60	3.29	81.5%	36	138
661	540	67.8%	0.24	0.23	0.25	38.00	3.45	3.95	3.72	81.3%	62	784
2,584	140	66.8%	0.18	0.14	0.20	38.50	3.85	4.50	4.50	86.1%	29	106
411	408	69.9%	0.15	0.13	0.17	39.00	4.30	4.85	4.58	83.6%	25	250
315	19	73.4%	0.10	0.07	0.20	39.50	4.80	5.55	5.20	98.9%	20	93
7,317	814	74.2%	0.11	0.10	0.11	40.00	5.20	5.70	5.55	80.9%	177	7,502
276	19	76.6%	0.08	0.01	0.17	40.50	5.75	6.40	6.12	101.0%	39	90
586	103	80.1%	0.06	0.05	0.12	41.00	6.30	6.90	6.62	109.2%	70	177
218	8	82.4%	0.10	0.05	0.10	41.50	6.75	7.30	7.10	105.9%	3	53
611	363	82.0%	0.04	0.04	0.07	42.00	7.00	8.30	7.85	125.2%	4	80
192	14	104.3%	0.04	0.04	0.25	42.50	7.70	8.35	8.08	115.8%	1	31
276	47	85.2%	0.03	0.03	0.05	43.00	8.15	9.05	8.70	129.9%	1	102
256	10	95.3%	0.06	0.02	0.10	43.50	8.65	9.55	9.24	134.8%	5	56
424	91	93.0%	0.03	0.03	0.05	44.00	9.15	10.05	9.52	139.7%	1	54
58,526	1,636	93.8%	0.02	0.02	0.03	45.00	10.30	10.75	10.50	138.9%	107	11,326
585	9	99.6%	0.02	0.02	0.03	46.00	11.15	11.95	11.70	151.2%	10	0
336	2	136.7%	0.02	0.00	0.24	47.00	12.15	13.15	12.70	172.8%	14	1
754	75	132.8%	0.03	0.00	0.15	48.00	13.15	14.00	13.67	171.3%	11	10
7,676	214	120.3%	0.02	0.01	0.03	50.00	15.00	15.70	15.60	136.7%	14	46
1,761	13	125.0%	0.03	0.00	0.01	55.00	19.85	21.05	20.85	197.7%	1,326	5
3,994	12	170.3%	0.01	0.00	0.04	60.00	24.90	26.00	25.93	226.6%	490	49
1,263	19	192.2%	0.02	0.00	0.04	65.00	30.10	31.20	31.40	293.8%	142	50
1,468	5	215.6%	0.01	0.00	0.05	70.00	35.05	36.10	36.65	305.1%	45	30
5,357	2	251.6%	0.09	0.00	0.09	75.00	40.15	40.55	38.78	254.7%	7	4
3,089	11	228.1%	0.01	0.00	0.02	80.00	44.65	45.85	43.18	396.7%	2	0
392	7	259.4%	0.01	0.00	0.04	85.00	49.60	51.35	46.48	341.4%	4	0
1,050	3	256.3%	0.03	0.00	0.02	90.00	54.75	56.10	51.40	341.4%	2	0
2,278	6	293.8%	0.05	0.00	0.05	95.00	0.00	0.00	52.56	—	1	0
2,494	10	300.0%	0.01	0.00	0.04	100.00	64.85	66.15	59.60	396.9%	5	0
303	2	293.8%	0.01	0.00	0.02	105.00	60.05	62.80	47.70	—	2	26
830	4	331.3%	0.02	0.00	0.05	110.00	0.00	0.00	62.10	—	1	0
263	8	340.6%	0.03	0.00	0.05	115.00	0.00	0.00	66.74	—	1	0
701	4	325.0%	0.01	0.00	0.02	120.00	78.85	81.15	79.17	—	209	0
113	2	331.3%	0.03	0.00	0.02	125.00	83.85	86.05	79.26	—	—	0
2,991	12	368.8%	0.06	0.00	0.05	130.00	73.35	74.00	69.40	—	—	2
70	4	378.1%	0.03	0.00	0.05	135.00	0.00	0.00	70.50	—	4	0
302	8	387.5%	0.05	0.00	0.05	140.00	92.60	96.05	85.25	—	—	1
341	12	464.1%	0.03	0.00	0.22	145.00	—	—	—	—	—	—
1,331	8	467.2%	0.09	0.00	0.20	150.00	—	—	—	—	—	—
118	4	412.5%	0.09	0.00	0.05	155.00	—	—	—	—	—	—
324	12	514.8%	0.12	0.00	0.33	160.00	—	—	—	—	—	—
2,518	2	425.0%	0.04	0.00	0.05	165.00	0.00	0.00	101.68	—	2	0

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 OKLO put/call ratio?

For the October 16, 2026 expiration, the OKLO put/call ratio based on open interest is 0.41 (49,790 puts vs 120,475 calls), and 0.78 based on today's volume. A ratio above 1 means more puts than calls.

What is OKLO's implied volatility?

At-the-money implied volatility for OKLO options expiring October 16, 2026 is about 64.0%, an annualized estimate of how much the market expects Oklo stock to move.

How many OKLO option expiration dates are there?

OKLO has 13 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.