COST

Costco

1.0006x

Exchangesession close: 910.87USD / shareMarket closedlast close 30 Sepsession change: -1.47%

Chainchain price: 912.82USD / Stock Tokencross check resultRobinhood book16 s

+15.3bps chain above exchange

The chain reading divided by the issuer's multiplier of 1.00061204 puts both markets on one share. 912.26 against 910.87.

Robinhood bookEvery route and its rule.

COST

Costco1.0006xUS22160K1051

COST on the exchangesession close: 910.87session change: -1.47%Market closedlast close 30 Sep

+15.3bps apart

COST on Robinhood Chainchain price: 912.82Robinhood bookRobinhood book16 s

Issuer spread14.5 bpsbid to ask, inside 1%, and a ratio the multiplier cannot move

Exchange session change-1.47%the session's close against the one before it on 2026-09-30

Exchange day range1.52%the session's high and low on 2026-09-30, as a percent of the low

Exchange volume62.9Mdollars traded on IEX on 2026-09-30, shares times that session's close

The issuer's book

the primary marketIssuer book, read16 s

Bid: issuer bid per share in dollars: 911.60 USD
Ask: issuer ask per share in dollars: 912.92 USD
Mid: issuer mid per share in dollars: 912.26 USD
Spread: spread in basis points: 14.5 bpsinside 1%
Day high: issuer day high per share in dollars: 912.93 USD
Day low: issuer day low per share in dollars: 911.74 USD
Day volume: issuer day volume in dollars: 2,219,200 USD
Trading halt: no

911.74 USD912.93 USD

Every level here is the issuer's own quote for one share, read whole and unconverted, so the rows are one consistent set. One Stock Token of this asset is 1.00061204 shares, so a token price is not comparable with any row above until it is divided by that. The spread is a ratio and reads the same in either unit.

Issuer book, readread 2026-10-01 01:03:09 UTC16 s

The exchange

the underlying shareAlpaca, readlast close 30 Sep

Session close: exchange session close per share in dollars: 910.87 USD2026-09-30
Previous close: exchange previous close per share in dollars: 924.50 USD
Session change: the exchange's session change against the previous close: -1.47%
Day high: exchange day high per share in dollars: 924.16 USD
Day low: exchange day low per share in dollars: 910.30 USD
Volume: exchange volume in shares: 69,020shares, 62.9M at the close
Trades: exchange trade count in the session: 2,884prints, 4,374 the session before

910.30 USD924.16 USD

reading