Oct 10 (Reuters) - The Russian rouble dived towards 101 against the dollar on Tuesday, heading back towards a more than 18-month low reached in the previous session, under pressure from domestic demand for foreign currency and a drop in oil prices.
At 0743 GMT, the rouble was 1.2% weaker against the dollar at 100.48. It fell to its weakest point since March, 2022 on Monday at 102.3450.
It had lost 1.3% to trade at 106.12 versus the euro and shed 1.2% against the yuan to 13.74 .
"If large volumes (of FX) for sale come, as yesterday, in the second half of trading, the rouble could strengthen at the end of the day," Promsvyazbank analysts said in a note.
The rouble had strengthened sharply late in the previous session.
The rouble's last tumble into triple digits in August led the Bank of Russia to make an emergency 350 basis-point rate hike to 12% and authorities to discuss reintroducing controls to buttress the currency, but interventions - verbal or otherwise - have been more limited this time around.
Brent crude oil, a global benchmark for Russia's main export, was down 0.3% at $87.86 a barrel, giving up some of the previous session's gains.
Russian stock indexes were lower.
The dollar-denominated RTS index was down 1.1% to 995.8 points. The rouble-based MOEX Russian index was 0.1% lower at 3,171.6 points.
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For Russian treasury bonds see (Reporting by Alexander Marrow, editing by Ed Osmond)
