Clean Governance: No Pledge, Committed Promoter
A negative screen rather than a ranking. Excludes companies whose promoters have pledged more than 5% of their holding, requires promoter ownership above 40% and rising institutional interest, then holds the 25 largest survivors. Quarterly, in step with shareholding disclosures.
Why this is expected to work
Promoter share pledging is a leverage position taken against the company's own stock, and it converts an ordinary price decline into a forced-selling cascade: the price falls, the lender issues a margin call, pledged shares are invoked and dumped, and the price falls further. The mechanism is mechanical, not sentimental, which is why it produces the sharp non-linear collapses seen at Zee, Sintex and others rather than a gradual derating. High promoter holding is included for the opposite reason — it is the cheapest available proxy for alignment, since a promoter with 50% of their net worth in the company is expensive to expropriate from. This template is here to teach that removing catastrophic outcomes is a legitimate strategy on its own; most retail damage comes from the left tail, not from missing the best performers.
How the pipeline works
NIFTY500 constituent
Keeps rows where nifty500_member == 1
nifty500_member == 1 Liquid: traded > Rs 3 cr/day
Keeps rows where turnover > 30000000
turnover > 30000000 Promoter pledge under 5%
Keeps rows where shareholding_pledge_pct < 5
shareholding_pledge_pct < 5 Promoter holding above 40%
Keeps rows where shareholding_promoter_pct > 40
shareholding_promoter_pct > 40 Institutions present
Keeps rows where shareholding_fii_pct > 2
shareholding_fii_pct > 2 25 largest survivors
Selects the top 25 by market_cap
What this template teaches
- Shareholding-pattern fields (pledge, promoter, FII/DII)
- Exclusion screening as a strategy in its own right
- MarketCapWeighting
Promoter Pledging: The Risk That Turns a Decline Into a Collapse
Pledged promoter shares convert an ordinary price fall into forced selling. The mechanism is mechanical, disclosed quarterly, and easy to screen out — which makes it one of the highest-return filters available to Indian retail investors.
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