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 23, 2026
Days to expiration: 12
Share price: $34.70
Put/call ratio (OI): 0.44
Put/call ratio (volume): 0.69
Open interest (C / P): 9.65K / 4.27K

OKLO options summary

The OKLO options chain for the October 23, 2026 expiration lists 41 call and 45 put contracts, with 12 days until expiration. Open interest stands at 9,649 calls and 4,272 puts, a put/call ratio of 0.44, which is tilted bullish, with calls outnumbering puts. The most open interest sits at the $48.00 call (1.89K contracts) and the $40.00 put (1.10K contracts).

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

OKLO options chain · October 23, 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
—	—	—	—	—	—	24.00	0.00	0.44	0.02	132.0%	2	1
—	—	—	—	—	—	25.00	0.00	0.17	0.04	98.4%	1	126
—	—	—	—	—	—	26.00	0.00	0.26	0.26	96.3%	5	25
—	—	—	9.50	—	—	27.00	0.00	0.05	0.04	64.1%	1	3
—	—	—	—	—	—	28.00	0.00	0.13	0.09	65.6%	12	21
40	4	96.9%	5.46	5.20	6.20	29.00	0.10	0.14	0.11	64.5%	5	190
86	24	74.3%	4.68	4.50	5.05	30.00	0.17	0.24	0.25	63.1%	22	247
—	—	—	4.11	—	—	30.50	—	—	0.41	—	—	—
22	4	67.2%	4.02	3.95	4.30	31.00	0.32	0.40	0.35	63.1%	5	120
—	—	—	5.44	—	—	31.50	—	—	0.66	—	—	—
13	2	50.0%	2.98	2.68	3.40	32.00	0.52	0.62	0.62	62.3%	46	170
—	—	—	4.67	—	—	32.50	—	—	1.09	—	—	—
290	40	64.3%	2.46	2.43	2.82	33.00	0.73	1.02	0.94	62.1%	59	315
—	—	—	2.38	—	—	33.50	—	—	1.25	—	—	—
131	220	60.4%	1.93	1.84	2.03	34.00	1.22	1.42	1.37	63.7%	56	303
—	—	—	1.82	—	—	34.50	—	—	1.78	—	—	—
OKLO $34.70
192	85	60.5%	1.48	1.38	1.50	35.00	1.72	1.92	1.91	63.5%	30	263
—	—	—	1.81	—	—	35.50	—	—	2.56	—	—	—
227	48	62.0%	1.07	1.05	1.11	36.00	2.29	2.45	2.40	61.6%	27	149
—	—	—	0.95	—	—	36.50	—	—	3.35	—	—	—
401	15	61.7%	0.80	0.70	0.82	37.00	3.00	3.35	3.25	66.6%	15	244
—	—	—	0.77	—	—	37.50	—	—	3.95	—	—	—
223	63	64.8%	0.65	0.53	0.65	38.00	3.75	4.40	4.06	73.5%	19	271
—	—	—	0.58	—	—	38.50	—	—	5.05	—	—	—
250	33	67.5%	0.42	0.36	0.55	39.00	4.60	5.20	4.75	75.1%	40	88
—	—	—	0.43	—	—	39.50	—	—	5.39	—	—	—
593	134	67.2%	0.32	0.30	0.32	40.00	5.45	6.05	5.80	75.9%	94	1,099
—	—	—	0.79	—	—	40.50	—	—	6.30	—	—	—
211	34	71.1%	0.24	0.19	0.33	41.00	6.40	7.00	6.85	80.9%	24	154
—	—	—	0.22	—	—	41.50	—	—	5.59	—	—	—
211	19	74.0%	0.18	0.15	0.27	42.00	7.20	8.10	7.73	85.0%	6	82
158	19	73.4%	0.12	0.06	0.22	43.00	8.05	9.10	8.75	86.3%	5	93
182	14	74.0%	0.12	0.09	0.11	44.00	9.15	10.05	9.80	94.9%	10	39
1,502	151	74.6%	0.07	0.01	0.13	45.00	10.15	11.40	10.74	114.5%	16	27
59	3	90.4%	0.08	0.03	0.25	46.00	10.65	12.00	11.67	68.0%	37	16
100	1	94.3%	0.13	0.00	0.26	47.00	12.10	13.00	12.72	108.4%	32	81
1,894	2	74.2%	0.06	0.00	0.04	48.00	13.10	14.05	13.65	116.4%	27	83
1,544	3	80.5%	0.04	0.00	0.05	49.00	14.00	15.05	14.77	116.4%	33	14
749	17	95.7%	0.03	0.02	0.10	50.00	15.15	16.10	15.65	131.8%	9	10
141	5	101.2%	0.03	0.01	0.12	51.00	15.45	17.00	16.42	166.6%	12	3
30	4	94.5%	0.03	0.01	0.05	52.00	17.15	18.00	17.75	136.9%	20	35
17	2	119.9%	0.05	0.00	0.23	53.00	17.65	19.35	16.70	132.8%	3	0
26	8	103.9%	0.06	0.00	0.07	54.00	19.10	20.25	17.52	156.6%	1	0
173	8	114.1%	0.03	0.01	0.10	55.00	19.95	20.95	17.72	134.4%	1	0
184	19	133.6%	0.09	0.01	0.11	60.00	25.10	26.15	25.75	177.7%	1	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 23, 2026 expiration, the OKLO put/call ratio based on open interest is 0.44 (4,272 puts vs 9,649 calls), and 0.69 based on today's volume. A ratio above 1 means more puts than calls.

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.