BTC 11SEP26 Options Chain

BTC options expiring 11SEP26, 4 days out, with the forward at $79,493. Open interest is $1B in calls and $830M in puts, put/call 0.76, 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	$22215 / $26811 57%	–	55000	–	– / $3.00 57%	4
0	$21305 / $25729 57%	–	56000	–	– / $3.00 57%	0
0	$19485 / $23550 57%	–	58000	–	– / $4.00 57%	0
0	$17664 / $21372 57%	$19260 / $19760 75%	60000	– / $15.00 75%	– / $5.00 57%	16
0	$15844 / $19194 57%	–	62000	–	– / $6.00 57%	0
0	$14024 / $17016 57%	$15160 / $15780 70%	64000	– / $20.00 70%	– / $7.00 57%	0
0	$13114 / $15920 57%	$14160 / $14800 70%	65000	– / $20.00 70%	– / $11995 57%	22
0	$12204 / $14839 57%	$13260 / $13760 70%	66000	– / $20.00 70%	– / $10.00 57%	1
0	–	$12260 / $12760 67%	67000	$5.00 / $25.00 67%	–	1
0	$10384 / $12664 57%	$11260 / $11760 64%	68000	$5.00 / $30.00 64%	$6.00 / $15.00 57%	1
0	–	$10160 / $10780 59%	69000	$10.00 / $30.00 59%	–	3
0	$9387 / $9610 56%	$9280 / $9800 54%	70000	$10.00 / $30.00 54%	$13.00 / $24.00 56%	5
0	–	$8180 / $8820 51%	71000	$15.00 / $40.00 51%	–	1
0	$7398 / $7601 50%	$7280 / $7820 48%	72000	$25.00 / $50.00 48%	$28.00 / $40.00 50%	5
0	–	$6280 / $6840 45%	73000	$30.00 / $50.00 45%	–	1
5	$5460 / $5641 44%	$5200 / $5860 42%	74000	$50.00 / $65.00 42%	$58.00 / $78.00 44%	6
6	$4470 / $4682 41%	$4320 / $4840 39%	75000	$80.00 / $105 39%	$80.00 / $104 41%	5
15	$3491 / $3761 38%	$3440 / $3900 37%	76000	$140 / $165 37%	$140 / $170 38%	30
5	$2681 / $2860 36%	$2600 / $2980 35%	77000	$260 / $295 35%	$260 / $290 36%	27
3	$1938 / $2070 34%	$1860 / $2120 34%	78000	$485 / $525 34%	$472 / $520 34%	17
0	–	$1560 / $1780 34%	78500	$645 / $695 34%	–	0
4	$1329 / $1420 33%	$1320 / $1420 35%	79000	$840 / $900 35%	$842 / $890 33%	3
0	–	$1080 / $1160 34%	79500	$1060 / $1140 34%	–	0
14	$850 / $920 34%	$865 / $915 35%	80000	$1340 / $1440 35%	$1345 / $1420 34%	5
0	–	$680 / $730 35%	80500	$1600 / $1820 35%	–	0
1	$520 / $570 35%	$540 / $580 35%	81000	$1920 / $2200 35%	$1986 / $2090 35%	0
405	$310 / $340 36%	$315 / $355 36%	82000	$2640 / $3020 36%	$2746 / $2900 36%	10
1	$182 / $206 38%	$180 / $215 37%	83000	$3480 / $3920 37%	$3542 / $3800 38%	0
13	$96.00 / $121 40%	$105 / $130 39%	84000	$4380 / $4880 39%	$4499 / $4700 40%	3
404	$58.00 / $78.00 41%	$65.00 / $85.00 40%	85000	$5320 / $5920 40%	$5456 / $5650 41%	2
6	$35.00 / $53.00 43%	$35.00 / $60.00 42%	86000	$6260 / $6880 42%	$6440 / $6662 43%	2
7	$13.00 / $27.00 47%	$10.00 / $35.00 45%	88000	$8240 / $8760 45%	$8428 / $8640 47%	0
12	$6.00 / $16.00 50%	– / $20.00 50%	90000	$10220 / $10860 50%	$10416 / $10630 50%	0
0	– / $9.00 51%	–	92000	–	$11275 / $13693 51%	0
0	– / $5.00 51%	–	94000	–	$13095 / $15874 51%	0
0	– / $4.00 51%	– / $10.00 63%	95000	$15220 / $15740 63%	$14005 / $16964 51%	0
0	– / $2.00 51%	–	100000	–	$18554 / $22413 51%	0
0	– / $1.00 51%	–	105000	–	$23103 / $27872 51%	0
0	– / $1.00 51%	–	110000	–	$27652 / $33322 51%	0
0	– / $1.00 51%	–	115000	–	$32201 / $38772 51%	0
0	– / $1.00 51%	–	120000	–	$36751 / $44214 51%	0