XBI Max Pain

SPDR S&P Biotech ETF · open interest as of 2026-07-10 · spot $159.03 (2026-07-10 close) · updated nightly

Max pain · 2026-07-17
$145
spot is +9.68% vs max pain
Put/Call OI ratio
1.004
54,428 puts / 54,187 calls
Call wall
$145
largest call OI strike
Put wall
$125
largest put OI strike

Open interest by strike — 2026-07-17

Max pain 145Spot 159.03124128132135137139142146150154158162166

Call OI   Put OI  — strikes within ±15% of max pain.

XBI max pain by expiration

ExpirationMax painSpot vs MPP/C ratioCall wallPut wallCall OIPut OI
2026-07-10 $161 -1.22% 0.996 $165 $155 22,842 22,741
2026-07-17 · $145 +9.68% 1.004 $145 $125 54,187 54,428
2026-07-24 $158 +0.65% 4.071 $140 $149 1,971 8,023
2026-07-31 $162 -1.83% 3.242 $175 $162 6,277 20,348
2026-08-07 $165 -3.62% 1.289 $165 $165 889 1,146
2026-08-14 $156 +1.94% 0.069 $175 $155 698 48
2026-08-21 $155 +2.6% 1.336 $168 $155 45,742 61,100

What is max pain?

Max pain (or "maximum pain") is the strike price at which the greatest number of option buyers would lose money if XBI settled there at expiration. For each candidate settlement price, sum the intrinsic value of every in-the-money call and put weighted by open interest; the price that minimizes that total payout is the max pain point.

Some traders watch max pain because of the theory that prices tend to gravitate toward this level as expiration approaches ("pinning"). The academic evidence is mixed — treat it as a read on positioning, not a prediction. The call wall and put wall (largest single-strike open interest) are often watched as near-term resistance and support zones for the same reason.

Own XBI as a fund holding?

XBI is also one of the 73 ETFs we track for portfolio overlap. See which ETFs overlap most with XBI before adding it next to funds you already hold.

Max pain for other tickers

Derived metrics computed from end-of-day open interest; not raw market data, not investment advice. Open interest settles once daily — intraday moves are not reflected.