BTC 11SEP26 Options Chain

BTC options expiring 11SEP26, 4 days out, with the forward at $79,387. Open interest is $1B in calls and $831M in puts, put/call 0.77, and max pain is $78,000. At-the-money implied volatility is 34.2%. 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	– / – 57%	–	45000	–	– / – 57%	0
0	– / – 57%	–	50000	–	– / – 57%	0
0	– / – 57%	–	54000	–	– / – 57%	0
0	$22075 / $26656 57%	–	55000	–	– / $6.00 57%	4
0	$21165 / $25567 57%	–	56000	–	– / $6.00 57%	0
0	$19342 / $23380 57%	–	58000	–	– / $7.00 57%	0
0	$17524 / $21247 57%	$19080 / $19640 75%	60000	– / $15.00 75%	– / $8.00 57%	16
0	$15740 / $19067 57%	–	62000	–	– / $9.00 57%	0
0	$13889 / $16891 57%	$15100 / $15660 70%	64000	– / $15.00 70%	– / $11.00 57%	0
0	$13007 / $15766 57%	$14100 / $14680 70%	65000	– / $20.00 70%	– / $11995 57%	22
0	$12097 / $14676 57%	$13060 / $13640 70%	66000	– / $20.00 70%	– / $14.00 57%	1
0	–	$12060 / $12700 67%	67000	– / $20.00 67%	–	1
0	$10242 / $12488 57%	$11060 / $11660 64%	68000	$5.00 / $25.00 64%	$6.00 / $18.00 57%	1
0	–	$10100 / $10660 59%	69000	$5.00 / $30.00 59%	–	3
0	$9272 / $9495 55%	$9100 / $9680 55%	70000	$10.00 / $30.00 55%	$13.00 / $27.00 55%	5
0	–	$8120 / $8700 50%	71000	$15.00 / $35.00 50%	–	1
0	$7282 / $7509 49%	$7080 / $7700 47%	72000	$20.00 / $40.00 47%	$28.00 / $42.00 49%	5
0	–	$6100 / $6720 44%	73000	$30.00 / $50.00 44%	–	1
5	$5284 / $5519 43%	$5140 / $5740 41%	74000	$45.00 / $65.00 41%	$50.00 / $69.00 43%	6
6	$4293 / $4544 40%	$4140 / $4740 38%	75000	$70.00 / $100.00 38%	$80.00 / $101 40%	5
15	$3369 / $3646 37%	$3260 / $3780 36%	76000	$140 / $165 36%	$139 / $167 37%	30
5	$2561 / $2730 34%	$2380 / $2940 35%	77000	$260 / $310 35%	$260 / $300 34%	27
3	$1841 / $1970 33%	$1660 / $2120 34%	78000	$490 / $555 34%	$503 / $549 33%	17
0	–	$1360 / $1780 34%	78500	$670 / $730 34%	–	0
4	$1257 / $1350 33%	$1260 / $1340 34%	79000	$875 / $940 34%	$874 / $930 33%	3
0	–	$1020 / $1100 34%	79500	$1120 / $1200 34%	–	0
14	$798 / $875 34%	$810 / $880 35%	80000	$1400 / $1500 35%	$1412 / $1490 34%	5
0	–	$640 / $700 35%	80500	$1580 / $2020 35%	–	0
2	$481 / $538 36%	$495 / $550 36%	81000	$1940 / $2400 36%	$2070 / $2210 36%	0
405	$280 / $319 37%	$295 / $330 36%	82000	$2720 / $3220 36%	$2833 / $3010 37%	10
1	$182 / $190 39%	$170 / $200 38%	83000	$3560 / $4080 38%	$3681 / $3870 39%	0
13	$94.00 / $120 41%	$100.00 / $125 39%	84000	$4460 / $5020 39%	$4608 / $4780 41%	3
404	$58.00 / $78.00 43%	$60.00 / $80.00 41%	85000	$5460 / $6020 41%	$5597 / $5730 43%	2
6	$35.00 / $52.00 44%	$35.00 / $55.00 42%	86000	$6380 / $7000 42%	$6564 / $6791 44%	2
7	$13.00 / $27.00 47%	$10.00 / $35.00 46%	88000	$8360 / $8980 46%	$8563 / $8778 47%	0
12	$6.00 / $15.00 50%	– / $20.00 51%	90000	$10340 / $10960 51%	$10540 / $10759 50%	0
0	– / $9.00 51%	–	92000	–	$11382 / $13820 51%	0
0	– / $6.00 51%	–	94000	–	$13201 / $16000 51%	0
0	– / $5.00 51%	– / $10.00 63%	95000	$15360 / $15960 63%	$14111 / $17127 51%	0
0	– / $2.00 51%	–	100000	–	$18696 / $22578 51%	0
0	– / $1.00 51%	–	105000	–	$23209 / $28028 51%	0
0	– / $1.00 51%	–	110000	–	$27798 / $33477 51%	0
0	– / $1.00 51%	–	115000	–	$32348 / $38902 51%	0
0	– / $1.00 51%	–	120000	–	$36893 / $44377 51%	0