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Canli Capital

Measurements

Sharadar corporate action corrected lake

Sharadar corporate action corrected lake is one of 49 measurements this engine publishes in full. It is regenerated from a real run rather than transcribed, and it is shown here with its own claim boundary so the number and its limits arrive together.

The measurement

Author
Arhan Canli
Base lake
data/lake_sharadar
Content hash
sha256:178c4564f9c5e0b917db752879c08a2f25c3133e614f92f0ecec6af3c33ef1c0
Decision
VERSIONED_CORPORATE_ACTION_LAKE_BUILT_VALIDATION_PENDING
Hypotheses spent
0
Preregistration logical suffix
data/lake_sharadar
Return data opened
no
Schema
canli.alphac-sharadar-corporate-action-corrected-lake.v1

Corrected lake. data/corrections/corporate_action_basis_48fcfde04e3c_materialized_v1/data/lake_sharadar

Invariants

All base rows have raw lineage
yes
Amounts imputed
no
Apple 2020 05 08 cash amount is 0 82
yes
Hdb zero and vate unsupported rows absent
yes
Logical preregistration path preserved
yes
Non action datasets hardlinked
yes
Original lake preserved by hash
yes
Physical version is content addressed
yes

Lineage

Authority content hash
sha256:48fcfde04e3c7f7d28bc349c93b55911f97514317e74bac67fca80980b621e47
Authority path
artifacts/audit/sharadar_dividend_basis_resolution.json
Authority sha256
sha256:110378773151de3c8a095c134c91016fcd9de71670c218e0bb4857debe7939f2
Base corporate action bytes
171208720
Base corporate action files
48833
Base corporate actions root
sha256:9a8db6616e8f0078c86e179e38161b9a57fce96da9d3d1e58a0470ddf72e0bb2
Corrected corporate action bytes
295549779
Corrected corporate action files
48765
Corrected corporate actions root
sha256:d07802568921649fddba5c0a847ef1d0db8a23dcd4f3e65b57a04310173a6e5d
Raw actions archive
data/sharadar_raw/ACTIONS.zip
Raw actions archive sha256
sha256:166d6ae17921b6a3a1f13a734e43bfd32ca5d9e88398030290a5246c89d7185c

Hardlinked immutable datasets

  • fundamentals
  • ohlcv_1d
  • universe_membership

Normalization

Adrratiosplit metadata rows removed from execution
142
Base rows
171924
Dividend amounts changed
31807
Dividend rows normalized
167118
Exact source rows quarantined
2
Market split rows preserved
4662
Normalized rows
171780

Required next action. Run full-lake dividend-price and split-price boundary audits. Do not replay or promote this lake unless both pass and a separate validation receipt authorizes it.

Check it yourself

Every figure above is read from /glassbox/sharadar_corporate_action_corrected_lake.json, the artifact the engine wrote. Nothing on this page is typed by hand: the page is generated from that file, so a figure that moves in the artifact moves here and a figure that is not in the artifact cannot appear here at all.

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