Vanguard Morningstar Total Stock Market ETF · ARCX · ETF · 131 sessions on record
$374.24▼ −1.02 · −0.3%from $375.26 the session before · Sep 30, 2026 close · end of day
Open
$376.31
High
$377.69
Low
$374.19
Day's range
$3.50.93% of the previous close
VWAP
$376.56close −0.62% from it
Volume, shares
4.45M1.53× the 20-session average
Traded, $
$1.68B
Trades
115K39 shares per trade
Previous close
$375.26−1.02 to the close
Market cap
—
Day range1% of the way up
$374.19$377.69
52-week range85% of the way up
$310.40 Mar 30$385.12 Aug 13
−2.8% from the high · +21% from the low
The desk read · Sep 30expiry Oct 16 · 16 days
call-heavy
options read
calls 63% · puts 37% of OI
0.58
puts per call, by OI
Oct 16 expiry 0.31
$375.00
max pain
+0.20% from the close
$385.00
most call OI
4.82K contracts · +2.9% from the close
0.0%
option OI on the day
−1 contracts · 48.8K open
Call-heavy into a 16-day expiry: 0.58 puts per call by open interest, option OI 0.0% on the day, the most call OI sits at $385.00, the most put OI at $375.00, max pain $375.00.
Options
Sep 30 open interest · 9 expiries listed
VTI options carry 48.8K contracts of open interest across 9 expiries, 20% of it in the Oct 16 contract, with 0.58 puts per call.
Open interest by expirythe next 8 of 9 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 1616 days
7.36K+8
2.27K+12
0.31
20
29
Nov 2051 days
780+69
443+35
0.57
2.5
29
Dec 1879 days
5.47K+30
3.06K+5
0.56
17
51
Jan 15107 days
9.6K−206
8.13K−7
0.85
36
70
Mar 19170 days
1.17K+2
4160
0.35
3.3
51
Jan 21478 days
3.08K−1
1.55K+10
0.50
9.5
81
Jun 16625 days
1.22K+19
4730
0.39
3.5
83
Dec 15807 days
1.87K−5
1.56K0
0.83
7.0
83
80% of open interest sits beyond the Oct 16 contract · 29 strikes listed for it · 48.8K contracts open in all
Monthly contractOct 16 expiry · 16 days
The Oct 16 contract holds 7.36K calls and 2.27K puts, the most call OI at $385.00 and the most put OI at $375.00; max pain $375.00, +0.20% from the close.
Call OI, contracts
7.36K+8 on the day
Put OI, contracts
2.27K+12 on the day
Puts per call, by OI
0.31all expiries 0.58
Max pain
$375.00+0.20% from the close
Strikes listed
29for this expiry
Open interest by strike, contractstop three strikes each side
Calls
Strike
Puts
464
$400.00
784
$390.00
4.82K
$385.00
$375.00
563
$370.00
517
$360.00
254
Open interest added on the day, contractsthree largest additions each side
Calls
Strike
Puts
+5
$400.00
+1
$390.00
+7
$380.00
$375.00
+3
$365.00
+29
$325.00
+5
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.