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ATRA
Atara Biotherapeutics, Inc
stock NASDAQ

At Close

Jan 9, 2026 3:59:30 PM EST

13.69USD-21.502%(-3.75)825,546

14.05Bid 14.16Ask 0.11Spread

Pre-market

Jan 9, 2026 9:23:30 AM EST

17.57USD+0.745%(+0.13)1,732

After-hours

Jan 9, 2026 4:49:30 PM EST

14.02USD+2.411%(+0.33)7,584

OverviewHistoricalExchangesShort InterestMore

As of 2025-12-15, there were 166,856 shares short with a short interest of 4.02%.

Price

Price

Historical data is split-adjusted.

1) Data from Finra. Finra publishes an updated file every two weeks.

2) Days to Cover (DTC) is also called Short Ratio. This is the Short Position / Average Daily Trading Volume.