Vanguard Total Bond Market · XNAS · ETF · 131 sessions on record
$70.15▼ −0.08 · −0.1%from $70.23 the session before · Sep 30, 2026 close · end of day
Open
$70.32
High
$70.40
Low
$69.97
Day's range
$0.430.61% of the previous close
VWAP
$70.14close +0.02% from it
Volume, shares
14.7M1.48× the 20-session average
Traded, $
$1.03B
Trades
42K350 shares per trade
Previous close
$70.23−0.08 to the close
Market cap
—
Day range41% of the way up
$69.97$70.40
52-week range4% of the way up
$69.97 Sep 30$74.15 Apr 17
−5.4% from the high · +0.25% from the low
The desk read · Sep 30expiry Oct 16 · 16 days
call-heavy
options read
calls 65% · puts 35% of OI
0.54
puts per call, by OI
Oct 16 expiry 0.23
$70.00
max pain
−0.21% from the close
$71.00
most call OI
227 contracts · +1.2% from the close
▲ +0.7%
option OI on the day
+16 contracts · 2.27K open
Call-heavy into a 16-day expiry: 0.54 puts per call by open interest, option OI +0.7% on the day, the most call OI sits at $71.00, the most put OI at $70.00, max pain $70.00.
Options
Sep 30 open interest · 4 expiries listed
BND options carry 2.27K contracts of open interest across 4 expiries, 24% of it in the Oct 16 contract, with 0.54 puts per call.
Open interest by expirythe next 4 of 4 expiries · share of all open interest
Option open interest by expiry, the next 4 expiries
Expiry
Call OI · on the day
Put OI · on the day
Puts per call
Share of OI %
Strikes
Oct 1616 days
443+24
102+1
0.23
24
21
Nov 2051 days
162+4
65+4
0.40
10
21
Dec 1879 days
5210
548−5
1.05
47
21
Mar 19170 days
346−11
81−1
0.23
19
21
76% of open interest sits beyond the Oct 16 contract · 21 strikes listed for it · 2.27K contracts open in all
Monthly contractOct 16 expiry · 16 days
The Oct 16 contract holds 443 calls and 102 puts, the most call OI at $71.00 and the most put OI at $70.00; max pain $70.00, −0.21% from the close.
Call OI, contracts
443+24 on the day
Put OI, contracts
102+1 on the day
Puts per call, by OI
0.23all expiries 0.54
Max pain
$70.00−0.21% from the close
Strikes listed
21for this expiry
Open interest by strike, contractstop three strikes each side
Calls
Strike
Puts
72
$73.00
75
$72.00
24
227
$71.00
29
$70.00
37
Open interest added on the day, contractsthree largest additions each side
Calls
Strike
Puts
+31
$71.00
+1
+1
$70.00
+2
$69.00
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.