iShares Core S&P 500 ETF · ARCX · ETF · 131 sessions on record
$765.85▼ −1.67 · −0.2%from $767.52 the session before · Sep 30, 2026 close · end of day
Open
$769.82
High
$772.78
Low
$765.50
Day's range
$7.30.95% of the previous close
VWAP
$767.86close −0.26% from it
Volume, shares
7.14M0.72× the 20-session average
Traded, $
$5.48B
Trades
77.5K92 shares per trade
Previous close
$767.52−1.67 to the close
Market cap
—
Day range5% of the way up
$765.50$772.78
52-week range89% of the way up
$632.14 Mar 30$783.09 Aug 13
−2.2% from the high · +21% from the low
The desk read · Sep 30expiry Oct 16 · 16 days
call-heavy
options read
calls 62% · puts 38% of OI
0.62
puts per call, by OI
Oct 16 expiry 0.71
$769.00
max pain
+0.41% from the close
$785.00
most call OI
178 contracts · +2.5% from the close
▲ +0.7%
option OI on the day
+85 contracts · 13.1K open
Call-heavy into a 16-day expiry: 0.62 puts per call by open interest, option OI +0.7% on the day, the most call OI sits at $785.00, the most put OI at $710.00, max pain $769.00.
Options
Sep 30 open interest · 14 expiries listed
IVV options carry 13.1K contracts of open interest across 14 expiries, 9.9% of it in the Oct 16 contract, with 0.62 puts per call.
Open interest by expirythe next 8 of 14 expiries · share of all open interest
Option open interest by expiry, the next 8 expiries
Expiry
Call OI · on the day
Put OI · on the day
Puts per call
Share of OI %
Strikes
Oct 22 days
190+10
690
0.36
2.0
129
Oct 99 days
147+11
820
0.56
1.7
130
Oct 1616 days
760+3
539−1
0.71
9.9
117
Oct 2323 days
123+10
1070
0.87
1.8
127
Oct 3030 days
162+3
740
0.46
1.8
126
Nov 637 days
58+49
30
0.05
0.47
128
Nov 2051 days
242+2
414−1
1.71
5.0
54
Dec 1879 days
1.34K−1
677−1
0.51
15
104
86% of open interest sits beyond the Oct 16 contract · 117 strikes listed for it · 13.1K contracts open in all
Monthly contractOct 16 expiry · 16 days
The Oct 16 contract holds 760 calls and 539 puts, the most call OI at $785.00 and the most put OI at $710.00; max pain $769.00, +0.41% from the close.
Call OI, contracts
760+3 on the day
Put OI, contracts
539−1 on the day
Puts per call, by OI
0.71all expiries 0.62
Max pain
$769.00+0.41% from the close
Strikes listed
117for this expiry
Open interest by strike, contractstop three strikes each side
Calls
Strike
Puts
134
$800.00
110
$790.00
178
$785.00
$769.00
77
$750.00
60
$710.00
202
Open interest added on the day, contractsthree largest additions each side
Calls
Strike
Puts
+1
$791.00
+1
$783.00
+1
$770.00
Close $ · S&P 500 rebased to the first close126 sessions to Sep 30 · axis fixed at 4 × ATR-14 around the last close · hover or tap a session and the read beside the chart follows it
OI Charts is not a registered investment adviser or broker-dealer. Prices, filings and open interest are public data and arithmetic on it, not a basis for any investment decision.