Original query:

 \d+ tickers
                                              Table "public.tickers"
    Column     |           Type           | Collation | Nullable | Default | Storage  | Stats target | Description
---------------+--------------------------+-----------+----------+---------+----------+--------------+-------------
 time          | timestamp with time zone |           | not null |         | plain    |              |
 symbol        | character varying(12)    |           | not null |         | extended |              |
 opening_price | double precision         |           |          |         | plain    |              |
 highest_price | double precision         |           |          |         | plain    |              |
 lowest_price  | double precision         |           |          |         | plain    |              |
 closing_price | double precision         |           | not null |         | plain    |              |
 volume_left   | double precision         |           |          |         | plain    |              |
 volume_right  | double precision         |           |          |         | plain    |              |
 market_cap    | double precision         |           |          |         | plain    |              |
 change_1h     | double precision         |           |          |         | plain    |              |
 change_7d     | double precision         |           |          |         | plain    |              |
 change_1m     | double precision         |           |          |         | plain    |              |
 change_1y     | double precision         |           |          |         | plain    |              |
Indexes:
    "tickers_symbol_closing_price_time_idx" btree (symbol, closing_price, "time" DESC)
Triggers:
    ts_insert_blocker BEFORE INSERT ON tickers FOR EACH ROW EXECUTE PROCEDURE _timescaledb_internal.insert_blocker()
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