What is the all time high of 9971?

BASiC Semiconductor Co., Ltd. (9971) closed at its highest ever adjusted price, HK$72.05, on Aug 24, 2026. Its lowest close was HK$33.22 on Jul 8, 2026.

How much has 9971 returned since Jul 8, 2026?

+21.0% in price terms from the first stored close to Sep 28, 2026.

What was the worst drawdown in 9971 history?

-44.6% from the Aug 24, 2026 peak to the Sep 3, 2026 trough on adjusted closes; the previous peak has not been regained as of the last stored session.

How far back does 9971 historical data go?

The daily series starts on Jul 8, 2026 and runs to Sep 28, 2026: 59 trading sessions across 0.2 years. Minute bars start on Sep 17, 2026 and are captured forward, never backfilled.

Are 9971 historical prices adjusted for splits and dividends?

Yes. The page uses the fully adjusted series, in which every past price is scaled for later splits and cash dividends so returns are comparable across the whole history. The API also serves raw prices, split adjusted only and dividend adjusted only.

How do I get 9971 historical data?

Register for a free key and call the bars endpoint: it returns date, open, high, low, close and volume as JSON, one year back on the free plan and the full series from Jul 8, 2026 on Quant and above. Minute history comes with the paid plans.

HKEX · 9971 · stock

BASiC Semiconductor Co., Ltd. (9971) stock price history

Every HKEX trading session of BASiC Semiconductor Co., Ltd. from Jul 8, 2026 to Sep 28, 2026: 59 daily bars, adjusted for splits and dividends, with minute bars from Sep 17, 2026 forward. The full series is served by the API: a free key covers the last year, paid plans the whole history and minute bars.

Get 9971 data, free key Year by year table

9971 adjusted close, 2026 to 2026

9971BASiC Semiconductor Co., Ltd.

HK$40.18

HK$72.05
All time high, 2026: HK$73.50
52 week high, HK$32.70 low: 59
Daily sessions since 2026

Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 2026 to 2026 series and minute bars.

9971 key facts

BASiC Semiconductor Co., Ltd. (9971) closed at HK$40.18 on Sep 28, 2026 on HKEX.
9971's all time high close is HK$72.05, set on Aug 24, 2026; its all time low close is HK$33.22 on Jul 8, 2026.
9971's 52 week range is HK$32.70 to HK$73.50.
9971's deepest drawdown was -44.6% from Aug 24, 2026 to Sep 3, 2026.
DataCedar holds 59 daily sessions of 9971 history from Jul 8, 2026 and minute bars from Sep 17, 2026, adjusted for splits and dividends, served by the API under a key.

9971 price chart, 2026 to 2026

Adjusted daily close. 59 sampled points across the full history; the API serves every session.

9971 returns

Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.

Period	Return
1 month	-16.2%
3 months	n/a
6 months	n/a
Year to date	n/a
1 year	n/a
3 years	n/a
5 years	n/a
10 years	n/a
Since Jul 8, 2026	+21.0%

9971 records

Measured on the stored closes; every figure is reproducible from the API series.

All time high close: HK$72.05 on Aug 24, 2026
All time low close: HK$33.22 on Jul 8, 2026
52 week high: HK$73.50 on Aug 25, 2026
52 week low: HK$32.70 on Jul 10, 2026
Deepest drawdown: -44.6% from Aug 24, 2026 to Sep 3, 2026, not yet recovered
Best single session: +18.1% on Jul 23, 2026
Worst single session: -27.3% on Aug 26, 2026
Volatility, 1 year annualised: 123.1%
Sessions closing higher, 1 year: 57%

9971 price history by year

Open is the first session's open, high and low span the year, close is the last session's close, and the return is close over the previous year's close. 2026 starts on Jul 8, 2026; 2026 runs to Sep 28, 2026.

Year	Open	High	Low	Close	Return	Volume	Sessions
2026	HK$34.12	HK$73.50	HK$32.70	HK$40.18	n/a	48.6M	59

9971 monthly closes, last 12 months

Month	Month end close	Change
September 2026	HK$40.18	-0.3%
August 2026	HK$40.30	-10.4%
July 2026	HK$44.98	n/a

About the 9971 data

Daily bars. 59 sessions from Jul 8, 2026 to Sep 28, 2026, one row per HKEX trading day with open, high, low, close and volume. Prices are adjusted for splits and cash dividends so the series is comparable across its whole length; the API also serves the raw, split only and dividend only views.

Minute bars. Stored from Sep 17, 2026 forward, most recent session Sep 29, 2026. Minute history is captured from the day collection began and is never backfilled, so this start date is exact. Five minute, fifteen minute and hourly bars are derived from these minutes.

Time and currency. Session dates are HKEX trading days; minute timestamps are UTC. Prices are in HKD. Volume is shares traded on the session.

Get the data. The REST endpoint returns the daily series as JSON with pagination; a free key serves the last year, Quant and above the full history back to Jul 8, 2026, and minute bars come with the paid windows. It takes timeframe (1Min, 5Min, 15Min, 1Hour, 1Day), adjustment, start and end. See the bars endpoint and authentication, and pricing for the plan windows.

curl "https://api.datacedar.com/v3/stocks/9971/bars?timeframe=1Day&adjustment=all&limit=50000" \
  -H "X-API-Key: YOUR_KEY"

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