BTC 15SEP26 Options Chain

BTC options expiring 15SEP26, 1 days out, with the forward at $78,879. Open interest is $141M in calls and $106M in puts, put/call 0.75, and max pain is $78,000. At-the-money implied volatility is 27.4%. 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	– / – 41%	–	65000	–	– / – 41%	0
0	–	$10580 / $11120 77%	68000	– / – 77%	–	0
0	–	$9580 / $10120 70%	69000	– / – 70%	–	0
4	– / – 41%	$8580 / $9120 69%	70000	– / $45.00 69%	– / – 41%	0
0	–	$7580 / $8120 66%	71000	– / – 66%	–	0
8	– / – 41%	$6580 / $7120 63%	72000	– / $10.00 63%	– / – 41%	2
0	–	$5580 / $6120 61%	73000	– / $10.00 61%	–	0
0	– / – 41%	$4620 / $5120 52%	74000	– / $10.00 52%	– / – 41%	6
0	–	$4120 / $4620 50%	74500	– / $10.00 50%	–	0
0	– / – 41%	$3620 / $4120 46%	75000	– / $15.00 46%	– / – 41%	6
0	–	$3120 / $3620 43%	75500	– / $15.00 43%	–	0
2	$2772 / $3000 39%	$2600 / $3120 40%	76000	– / $15.00 40%	– / $25.00 39%	6
0	–	$2100 / $2620 35%	76500	– / $20.00 35%	–	0
12	$1779 / $2005 33%	$1600 / $2120 34%	77000	$5.00 / $25.00 34%	$6.00 / $26.00 33%	3
0	$1281 / $1537 30%	$1100 / $1680 30%	77500	$15.00 / $35.00 30%	$21.00 / $35.00 30%	2
2	$820 / $1140 27%	$690 / $1180 27%	78000	$50.00 / $80.00 27%	$54.00 / $83.00 27%	1
1	$440 / $748 25%	$505 / $585 26%	78500	$150 / $190 26%	$150 / $201 25%	0
5	$248 / $300 27%	$265 / $300 27%	79000	$375 / $425 27%	$373 / $453 27%	0
0	$114 / $146 29%	$125 / $140 29%	79500	$655 / $805 29%	$648 / $931 29%	0
1	$49.00 / $61.00 32%	$50.00 / $70.00 31%	80000	$850 / $1440 31%	$1071 / $1360 32%	0
0	–	$20.00 / $35.00 33%	80500	$1420 / $1940 33%	–	0
0	$6.00 / $26.00 36%	$10.00 / $30.00 36%	81000	$1900 / $2400 36%	$2036 / $2272 36%	8
48	– / $27.00 41%	– / $20.00 47%	82000	$2880 / $3420 47%	$3034 / $3247 41%	4
1	–	– / $15.00 52%	83000	$3880 / $4420 52%	–	0
0	– / – 41%	– / $15.00 52%	84000	$4880 / $5420 52%	– / – 41%	0
1	– / – 41%	– / $10.00 52%	85000	$5880 / $6400 52%	– / – 41%	0
1	– / – 41%	– / $10.00 52%	86000	$6880 / $7420 52%	– / – 41%	0
0	–	– / $10.00 55%	87000	$7880 / $8420 55%	–	0
0	–	– / $10.00 57%	88000	$8880 / $9420 57%	–	0
0	– / – 41%	–	90000	–	– / – 41%	0
0	– / – 41%	–	95000	–	– / – 41%	0