Under exchange rules, margin short positions must be covered before a stock enters short-sale suspension for events such as ex-dividend, cash capital increases, or shareholder meetings. Below are the exchange-published suspension start dates (procedural facts), not a directional view.
AllListedOTC
Margin-short and SBL-short balances describe market state and do not constitute any directional view; short-sale suspension and short-covering schedules are procedural facts published by the exchange.