iShares 20+ Year Treasury Bond ETF · XNAS · ETF · 131 sessions on record
$77.78▼ −0.45 · −0.6%from $78.23 the session before · Sep 30, 2026 close · end of day
Open
$78.16
High
$78.21
Low
$77.55
Day's range
$0.660.84% of the previous close
VWAP
$77.78close −0.00% from it
Volume, shares
73.1M1.82× the 20-session average
Traded, $
$5.69B
Trades
178K410 shares per trade
Previous close
$78.23−0.45 to the close
Market cap
—
Day range35% of the way up
$77.55$78.21
52-week range2% of the way up
$77.55 Sep 30$87.79 Jun 25
−11% from the high · +0.30% from the low
The desk read · Sep 30expiry Oct 16 · 16 days
call-heavy
options read
calls 67% · puts 33% of OI
0.50
puts per call, by OI
Oct 16 expiry 0.44
$81.00
max pain
+4.1% from the close
$83.00
most call OI
198K contracts · +6.7% from the close
▲ +2.5%
option OI on the day
+338K contracts · 13.7M open
Call-heavy into a 16-day expiry: 0.50 puts per call by open interest, option OI +2.5% on the day, the most call OI sits at $83.00, the most put OI at $84.00, max pain $81.00.
Options
Sep 30 open interest · 29 expiries listed
TLT options carry 13.7M contracts of open interest across 29 expiries, 13% of it in the Oct 16 contract, with 0.50 puts per call.
Open interest by expirythe next 8 of 29 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
374K+34.7K
93.4K+17.4K
0.25
3.4
50
Oct 55 days
42.9K+6.77K
35K+3.52K
0.82
0.57
31
Oct 77 days
35K+5.46K
25.2K+674
0.72
0.44
40
Oct 99 days
145K+17.6K
60.3K+2.23K
0.42
1.5
47
Oct 1212 days
23.5K+11.4K
14K+1.89K
0.60
0.27
40
Oct 1414 days
5.13K+3.27K
3.22K+942
0.63
0.06
43
Oct 1616 days
1.22M+7.31K
532K+5.05K
0.44
13
64
Oct 2323 days
89.9K+1.52K
36.5K+821
0.41
0.92
51
81% of open interest sits beyond the Oct 16 contract · 64 strikes listed for it · 13.7M contracts open in all
Monthly contractOct 16 expiry · 16 days
The Oct 16 contract holds 1.22M calls and 532K puts, the most call OI at $83.00 and the most put OI at $84.00; max pain $81.00, +4.1% from the close.
Call OI, contracts
1.22M+7.31K on the day
Put OI, contracts
532K+5.05K on the day
Puts per call, by OI
0.44all expiries 0.50
Max pain
$81.00+4.1% from the close
Strikes listed
64for this expiry
Open interest by strike, contractstop three strikes each side
Calls
Strike
Puts
$84.00
70.9K
198K
$83.00
109K
$82.00
$81.00
54.9K
144K
$80.00
$79.00
60.3K
Open interest added on the day, contractsthree largest additions each side
Calls
Strike
Puts
+3.51K
$92.00
+8.44K
$80.00
+3.17K
$78.00
$77.50
+2.73K
$73.50
+2.03K
$70.00
+1.78K
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.