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Stocks Daily Splits

Every stock split and reverse split of a US-listed name, with its ratio and the factor applied to earlier prices.

Shape measured at the next refresh of dataset_cards/facts.json. Refreshed monthly.

Why It Matters

Stocks-Daily-Price is back-adjusted, so a split leaves no trace in it: the price series shows nothing on the day. That hides the event the split papers study -- the announcement drift, the post-split change in liquidity and in the shareholder base, and the reverse split as a distress signal. This table is the event. A row with split_from 1 and split_to 4 is a 4-for-1 split; split_from 10 and split_to 1 is a 1-for-10 reverse split.

Load It

pip install --upgrade pwb-toolbox
from pwb_toolbox import datasets as pwb_ds

df = pwb_ds.load_dataset("Stocks-Daily-Splits", symbols=["AAPL"])
print(df.iloc[-1, :])

Columns

Column Name Description
symbol Stock ticker.
date Execution date: the first session the shares trade on the new basis.
split_from Shares held before, per split_to shares after.
split_to Shares held after, per split_from shares before.
adjustment_type The vendor's classification of the action (forward, reverse, ...).
historical_adjustment_factor Factor to multiply prices before date by, to put them on the post-split basis.

Access

Browsing the card and the schema is open to anyone. Downloading the files needs an approved request, tied to a subscription: what each plan includes. The same subscription covers every dataset in this organisation and the strategy catalogue.

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