iShares Russell 2000 ETF · ARCX · ETF · 131 sessions on record
$277.89▼ −1.12 · −0.4%from $279.01 the session before · Sep 30, 2026 close · end of day
Open
$280.17
High
$280.48
Low
$277.86
Day's range
$2.60.94% of the previous close
VWAP
$279.23close −0.48% from it
Volume, shares
21.1M0.91× the 20-session average
Traded, $
$5.90B
Trades
231K92 shares per trade
Previous close
$279.01−1.12 to the close
Market cap
—
Day range1% of the way up
$277.86$280.48
52-week range59% of the way up
$238.69 Mar 30$305.18 Aug 14
−8.9% from the high · +16% from the low
The desk read · Sep 30expiry Oct 16 · 16 days
put-heavy
options read
calls 30% · puts 70% of OI
2.34
puts per call, by OI
Oct 16 expiry 3.24
$287.00
max pain
+3.3% from the close
$300.00
most call OI
38.1K contracts · +8.0% from the close
▲ +2.2%
option OI on the day
+215K contracts · 10.1M open
Put-heavy into a 16-day expiry: 2.34 puts per call by open interest, option OI +2.2% on the day, the most call OI sits at $300.00, the most put OI at $275.00, max pain $287.00.
Options
Sep 30 open interest · 31 expiries listed
IWM options carry 10.1M contracts of open interest across 31 expiries, 18% of it in the Oct 16 contract, with 2.34 puts per call.
Open interest by expirythe next 8 of 31 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 11 day
124K+23.2K
31.7K+5.64K
0.26
1.6
83
Oct 22 days
180K+15.1K
198K−1.36K
1.10
3.8
126
Oct 55 days
41.9K+14.6K
22.9K+1.9K
0.55
0.64
83
Oct 66 days
15.6K+925
11.4K+2.34K
0.73
0.27
87
Oct 77 days
11.1K+3.69K
9.28K+3.89K
0.84
0.20
83
Oct 88 days
7.65K+553
11.9K+1.29K
1.56
0.19
83
Oct 99 days
90.6K+22.7K
161K+6.56K
1.78
2.5
127
Oct 1212 days
2.9K+699
5.42K+463
1.87
0.08
87
73% of open interest sits beyond the Oct 16 contract · 118 strikes listed for it · 10.1M contracts open in all
Monthly contractOct 16 expiry · 16 days
The Oct 16 contract holds 421K calls and 1.36M puts, the most call OI at $300.00 and the most put OI at $275.00; max pain $287.00, +3.3% from the close.
Call OI, contracts
421K−4.1K on the day
Put OI, contracts
1.36M−8.26K on the day
Puts per call, by OI
3.24all expiries 2.34
Max pain
$287.00+3.3% from the close
Strikes listed
118for this expiry
Open interest by strike, contractstop three strikes each side
Calls
Strike
Puts
27.9K
$305.00
38.1K
$300.00
29.5K
$295.00
$280.00
94.6K
$275.00
137K
$272.00
90.6K
Open interest added on the day, contractsthree largest additions each side
Calls
Strike
Puts
+3.1K
$292.00
+844
$285.00
$281.00
+1.91K
+5.15K
$280.00
$267.00
+5.3K
$266.00
+17.3K
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.