Daily digest / BTC / 2026-10-17 · this week
BTC · Saturday 17 Oct 2026 (UTC) · close
$81,386 -122.6 (-0.15%)
2nd straight down day$4.3M liquidated

European-session sell-off, buyers step in

A steady start gave way at 08:15 UTC and BTC slid $593 to $81,032. Put writers added the most fresh OI at $78,500 (+45 BTC). Call writers built positions at $83,000–$90,000, led by $83,000 (+86 BTC). Max pain moved from $79,500 to $79,000, following price down.

Spot Max pain PCR 15-min · UTC
Open$81,505
High · 07:33$81,658
Low · 21:38$80,838
Avg PCR0.60
Max pain$79,000
Liquidations$4.3M

Key levels for the next session

$90,000 Call wall · 26,275 BTC OI · Fresh calls +41 BTC resistance
$83,000 Fresh calls +86 BTC cap
$81,386 Close ●
$80,000 Put wall · 9,916 BTC OI floor
$79,000 Max pain magnet
$78,500 Fresh puts +45 BTC support
$72,000 Fresh puts +45 BTC support

Where writers added today

$83,000
+86 BTC
$90,000
+41 BTC
$84,000
+20 BTC
$78,500
+45 BTC
$72,000
+45 BTC
$75,000
+32 BTC
■ calls   ■ puts · OI change from the first snapshot to the close, strikes near spot

Move vs what options priced

Next-day ATM straddle at open · IV 14.2%$559
Session range$820
One session moved 1.5× the next-day straddle's full priced move.

Last 6 sessions

10-12 $81,800 —
PCR 0.59
MP $79,000 10-13 $83,095 +1,295
PCR 0.60
MP $80,000 10-14 $81,616 -1,479
PCR 0.61
MP $80,000 10-15 $82,177 +561
PCR 0.61
MP $80,000 10-16 $81,509 -668
PCR 0.60
MP $79,500 10-17 $81,386 -123
PCR 0.60
MP $79,000

Max pain: strike where option buyers lose most at expiry. Fresh OI: positions opened this session. PCR: put OI ÷ call OI.

Descriptive summaries of recorded option-chain data. Not trading signals or advice. Disclaimer →

Related reading

Max pain today →

Live aggregate max pain lander.

PCR today →

Current put-call ratio snapshot.

BTC vs index options →

How crypto expiry and settlement differ.

All BTC sessions · BTC hub · Live terminal →