BTC 25SEP26 Options Chain

BTC options expiring 25SEP26, 18 days out, with the forward at $79,591. Open interest is $10B in calls and $5B in puts, put/call 0.52, and max pain is $72,000. At-the-money implied volatility is 36.2%. Where a strike is listed on both venues the cheaper ask and richer bid are visible side by side; the arb scanner flags any gap that exceeds fees. Strikes shown are within 60% of the forward. All BTC expiries.

Chain

Derive bid / ask (IV) · Deribit bid / ask (IV) · open interest in contracts, both venues combined.

Call OI	Derive call	Deribit call	Strike	Deribit put	Derive put	Put OI
0	– / – 59%	$34260 / $34900 89%	45000	$5.00 / $20.00 89%	– / – 59%	32
0	– / – 59%	$29280 / $29900 78%	50000	$5.00 / $30.00 78%	– / $350 59%	44
0	– / – 59%	$27360 / $27920 73%	52000	$5.00 / $35.00 73%	– / – 59%	23
0	– / – 59%	$25380 / $25920 68%	54000	$10.00 / $40.00 68%	– / – 59%	10
14	– / – 59%	$24380 / $24920 66%	55000	$15.00 / $40.00 66%	– / $150 59%	46
0	– / – 59%	$23300 / $23920 65%	56000	$20.00 / $45.00 65%	– / $1300 59%	54
0	$21418 / $21706 59%	$21380 / $21940 62%	58000	$25.00 / $55.00 62%	– / – 59%	39
28	$19429 / $19718 56%	$19300 / $19940 57%	60000	$35.00 / $50.00 57%	$26.00 / $61.00 56%	66
40	$17445 / $17737 54%	$17420 / $17960 54%	62000	$45.00 / $70.00 54%	$42.00 / $75.00 54%	69
50	$15461 / $15759 51%	$15340 / $16000 50%	64000	$65.00 / $90.00 50%	$63.00 / $95.00 51%	154
36	$14475 / $14777 49%	$14360 / $14980 49%	65000	$75.00 / $100.00 49%	$76.00 / $109 49%	43
41	– / $13794 48%	$13460 / $14000 47%	66000	$90.00 / $120 47%	$93.00 / $126 48%	37
9	$11532 / $11853 45%	$11520 / $12040 44%	68000	$150 / $170 44%	$156 / $176 45%	35
468	$9611 / – 43%	$9500 / $10100 41%	70000	$220 / $260 41%	$230 / $263 43%	59
31	$7753 / $8115 40%	$7740 / $8260 40%	72000	$395 / $410 40%	$382 / $416 40%	36
0	–	$6780 / $7380 38%	73000	$490 / $520 38%	–	1
8	$6100 / $6360 38%	$6040 / $6500 38%	74000	$640 / $675 38%	$644 / $684 38%	19
914	$5316 / $5542 37%	$5140 / $5700 37%	75000	$840 / $870 37%	$833 / $882 37%	534
29	$4591 / $4786 37%	$4420 / $4920 37%	76000	$1080 / $1140 37%	$1074 / $1133 37%	42
13	–	$3820 / $4220 36%	77000	$1380 / $1460 36%	–	11
42	$3313 / $3445 36%	$3320 / $3480 36%	78000	$1740 / $1840 36%	$1748 / $1826 36%	20
2	–	$2820 / $2920 36%	79000	$2200 / $2280 36%	–	12
979	$2310 / $2392 36%	$2340 / $2380 36%	80000	$2720 / $2800 36%	$2700 / $2796 36%	530
15	–	$1920 / $1960 37%	81000	$3300 / $3400 37%	–	0
22	$1542 / $1619 36%	$1580 / $1620 37%	82000	$3800 / $4220 37%	$3913 / $4063 36%	3
6	–	$1280 / $1320 37%	83000	$4520 / $4920 37%	–	0
27	$1008 / $1070 37%	$1040 / $1080 38%	84000	$5260 / $5760 38%	$5332 / $5572 37%	2
67	$813 / $865 38%	$850 / $880 38%	85000	$6060 / $6560 38%	$6098 / $6362 38%	2
27	$655 / $700 39%	$685 / $710 38%	86000	$6860 / $7420 38%	$6919 / $7208 39%	0
0	–	$555 / $580 39%	87000	$7720 / $8180 39%	–	0
2	–	$445 / $470 40%	88000	$8600 / $9080 40%	–	0
83	$283 / $316 42%	$290 / $330 41%	90000	$10440 / $11020 41%	$10500 / $10843 42%	0
22	–	$190 / $230 43%	92000	$12300 / $12860 43%	–	0
31	–	$130 / $170 44%	94000	$14280 / $14880 44%	–	0
31	$107 / $140 46%	$110 / $145 45%	95000	$15260 / $15860 45%	$15338 / $15659 46%	1
21	–	$90.00 / $125 46%	96000	$16220 / $16840 46%	–	0
1	–	$60.00 / $95.00 48%	98000	$18180 / $18720 48%	–	0
29	$41.00 / $74.00 49%	$40.00 / $70.00 49%	100000	$20160 / $20700 49%	$20275 / $20584 49%	0
2	–	$30.00 / $55.00 51%	102000	$22160 / $22780 51%	–	0
7	$12.00 / $49.00 53%	$20.00 / $40.00 53%	105000	$25160 / $25680 53%	$25238 / $25536 53%	0
23	– / – 55%	$10.00 / $25.00 57%	110000	$30120 / $30660 57%	– / $33324 55%	0
101	– / – 55%	$10.00 / $20.00 61%	115000	$35140 / $35640 61%	– / $38769 55%	0
25	$1.00 / – 55%	$5.00 / $15.00 67%	120000	$40120 / $40640 67%	– / $44219 55%	0
2	– / – 55%	– / $15.00 73%	125000	$45120 / $45640 73%	– / $49669 55%	0
49	– / – 55%	– / $15.00 73%	130000	$50120 / $50660 73%	– / $55119 55%	6
0	– / – 55%	– / $15.00 73%	135000	$55120 / $55660 73%	– / $60569 55%	1
52	– / – 55%	– / $300 76%	140000	$60100 / $60640 76%	– / $66019 55%	50
2	– / – 55%	– / $10.00 78%	145000	$65120 / $65640 78%	– / $71468 55%	0