State Street SPDR Bloomberg 1-3 Month T-Bill ETF · ARCX · ETF · 131 sessions on record
$91.64▼ −0.01 · 0.0%from $91.65 the session before · Sep 30, 2026 close · end of day
Open
$91.64
High
$91.65
Low
$91.64
Day's range
$0.010.01% of the previous close
VWAP
$91.65close −0.01% from it
Volume, shares
18.3M1.62× the 20-session average
Traded, $
$1.68B
Trades
23.2K790 shares per trade
Previous close
$91.65−0.01 to the close
Market cap
—
Day range0% of the way up
$91.64$91.65
52-week range83% of the way up
$91.39 Apr 1$91.69 Jul 31
−0.06% from the high · +0.27% from the low
The desk read · Sep 30expiry Oct 16 · 16 days
put-heavy
options read
calls 34% · puts 66% of OI
1.98
puts per call, by OI
Oct 16 expiry 1.75
$92.00
max pain
+0.39% from the close
$92.00
most call OI
268 contracts · +0.39% from the close
▼ −0.9%
option OI on the day
−17 contracts · 1.94K open
Put-heavy into a 16-day expiry: 1.98 puts per call by open interest, option OI −0.9% on the day, the most call OI sits at $92.00, the most put OI at $91.00, max pain $92.00.
Options
Sep 30 open interest · 5 expiries listed
BIL options carry 1.94K contracts of open interest across 5 expiries, 60% of it in the Oct 16 contract, with 1.98 puts per call.
Open interest by expirythe next 5 of 5 expiries · share of all open interest
Option open interest by expiry, the next 5 expiries
Expiry
Call OI · on the day
Put OI · on the day
Puts per call
Share of OI %
Strikes
Oct 1616 days
424−30
744+32
1.75
60
28
Nov 2051 days
8−10
90
1.13
0.87
31
Jan 15107 days
179−6
3920
2.19
29
25
Apr 16198 days
26−4
147+1
5.65
8.9
25
Sep 17352 days
150
00
0.00
0.77
31
40% of open interest sits beyond the Oct 16 contract · 28 strikes listed for it · 1.94K contracts open in all
Monthly contractOct 16 expiry · 16 days
The Oct 16 contract holds 424 calls and 744 puts, the most call OI at $92.00 and the most put OI at $91.00; max pain $92.00, +0.39% from the close.
Call OI, contracts
424−30 on the day
Put OI, contracts
744+32 on the day
Puts per call, by OI
1.75all expiries 1.98
Max pain
$92.00+0.39% from the close
Strikes listed
28for this expiry
Open interest by strike, contractstop three strikes each side
Calls
Strike
Puts
$98.00
90
101
$93.00
268
$92.00
125
13
$91.00
270
Open interest added on the day, contractsthree largest additions each side
Calls
Strike
Puts
$94.00
+23
$93.00
+6
$92.00
+3
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
About State Street SPDR Bloomberg 1-3 Month T-Bill ETF
SEC and exchange records
Company
State Street SPDR Bloomberg 1-3 Month T-Bill ETF
Exchange
ARCX
SEC CIK
1081019
Sessions on record
131
Price source
End of day · delayed
Computed
1 Oct, 11:00 pm IST
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