Record highs of purchases of call options on the S&P500

In light of expected tax changes by President Trump, investors have bought record volumes of call options based on the broad S&P500 index.
This has led to a record ratio between call and put options of the index on Thursday. Last time, when this ratio was so high, the index has seen an increase of 3% over the next two weeks, experts from Credit Suisse recall.
The increase in the ratio to a new record has become a reality on Thursday before the publication of Trump tax reforms. In practice, the ratio began to rise after the US presidential election in November last year.
It reached a record high on Feb. 14, after which the broad index rose by 3% over the next few days to reach a historic record on March 1.
Often, this ratio is also used by countertraders, especially when at peak levels. And the current ones may be a good indicator of peak market optimism, which is the first worrying signal for the markets.