Last 5 days brought considerable depreciation of USDPLN and EURPLN (roughly 5 percent ), Polish Zloty is under pressure lately due to the geopolitical situation of Poland, which has significant trade relations with Russia, meaning that their export can be weakened by Russian emergency and embargo on European meals released by Russia this season.
Polish market went to deflation this year which pushes Polish National Bank to reduce further pursuits rates. Such tendency can fuel PLN depreciation.
For all traders which can't exchange on RUB anymore PLN can be a good choice, liquidity on PLN is the biggest among all Central European Nations which attract foreign investors and speculators - that they can go out of their ranks whenever they want.