Poland Inflation MoM (CPI) Plunges to 0.06 %MoM on Dec 15, 2025 09:00 UTC

FX markets are closely scrutinizing the latest macroeconomic data from Poland, as the National Bank of Poland (NBP) navigates a complex economic landscape. Today's release of Poland's Inflation MoM (CPI) for December 2025 has delivered a notable shift, with the latest reading coming in at 0.06 %MoM. This figure represents a significant deceleration from the prior month's 0.33 %MoM, marking a substantial change that will undoubtedly influence market sentiment towards the Polish Zloty (PLN) and the NBP's future monetary policy trajectory.

For FX traders and macro analysts, understanding the nuances of this month-over-month inflation metric is crucial. A sharper-than-anticipated slowdown in consumer price growth can signal weakening demand or easing supply-side pressures, impacting interest rate expectations and, consequently, currency valuations. This article delves into the specifics of the December 2025 CPI release, its implications for the PLN, and what it means for the NBP's next moves, offering a comprehensive analysis for professionals tracking the Polish economy.

What Inflation MoM (CPI) Measures

The Consumer Price Index (CPI) Month-over-Month (MoM) is a vital economic indicator that quantifies the percentage change in the price of a basket of consumer goods and services purchased by households, compared to the previous month. In Poland, this data is meticulously compiled and released by the Central Statistical Office (GUS). The CPI basket typically includes categories such as food, housing, transportation, healthcare, and recreation, weighted according to their average share in household expenditure.

Traders and analysts closely monitor CPI MoM because it provides an immediate, high-frequency snapshot of inflationary pressures within an economy. A rising CPI MoM indicates that consumer prices are increasing at a faster rate, eroding purchasing power and potentially signaling an overheating economy. Conversely, a falling or negative CPI MoM suggests decelerating price growth or even deflation, which can point to subdued demand or oversupply. Central banks, like the National Bank of Poland (NBP), use this data to gauge the effectiveness of their monetary policy and to inform decisions regarding interest rates. Higher-than-expected inflation often prompts central banks to consider interest rate hikes to curb price growth, while lower-than-expected figures might open the door for rate cuts or a more accommodative stance, directly influencing bond yields and currency valuations.

Breaking Down the December 2025 Numbers

The latest release for Poland's Inflation MoM (CPI) in December 2025 registered a notable figure of 0.06 %MoM. This represents a significant slowdown compared to the prior month's reading of 0.33 %MoM, marking a substantial decrease of -0.27 %MoM. This sharp deceleration comes as a key data point, indicating a considerable easing of month-over-month price pressures as the year concluded.

Placing this in historical context, the 0.06 %MoM figure for December is among the lowest observed in recent months, illustrating a notable shift in the inflation landscape. Looking back at the provided data, the previous readings show a volatile but generally higher trend throughout much of 2025: October saw 0.32 %MoM, September 0.20 %MoM, and August even registered a rare negative at -0.06 %MoM. Earlier in the year, April and March both recorded stronger prints of 0.33 %MoM. The current 0.06 %MoM reading is only marginally above the -0.06 %MoM seen in August, suggesting that the underlying drivers of inflation have softened considerably towards the end of the year. This dramatic drop from November's 0.33 %MoM suggests that some of the inflationary impulses that characterized the earlier part of the year, such as the 0.32 %MoM in October, have dissipated, leading to a much more subdued price environment in December.

Impact on PLN and FX Markets

The December 2025 CPI MoM reading of 0.06 %MoM, significantly lower than the prior 0.33 %MoM, is likely to exert downward pressure on the Polish Zloty (PLN) across major FX pairs. In general, lower-than-expected inflation data tends to weaken a currency, as it diminishes the likelihood of the central bank needing to raise interest rates or even increases the probability of future rate cuts. This reduces the yield attractiveness of the currency's assets, making them less appealing to international investors.

FX traders typically react to such a substantial deceleration in inflation by unwinding long PLN positions or initiating short positions. The -0.27 %MoM change from the previous month is a strong signal that inflationary pressures are receding, potentially giving the National Bank of Poland (NBP) more room to maintain an accommodative monetary policy or even consider easing measures if the trend persists. This dovish outlook for monetary policy tends to translate into Zloty weakness. Pairs most sensitive to this development include EUR/PLN, where a rising pair indicates PLN depreciation, and USD/PLN. Additionally, crosses like CHF/PLN and GBP/PLN will also reflect the Zloty's diminished appeal. Analysts will be closely watching for a potential breakout above key resistance levels in EUR/PLN, signaling a sustained shift in market sentiment.

Monetary Policy Implications

The sharp decline in Poland's Inflation MoM to 0.06 %MoM for December 2025 presents significant implications for the National Bank of Poland's (NBP) monetary policy. The NBP's primary mandate is to maintain price stability, typically targeting an annual inflation rate within a specific band. A significant deceleration in month-over-month inflation, especially one as pronounced as the -0.27 %MoM change observed, provides the central bank with greater flexibility.

Given this latest data, the NBP is likely to interpret the reading as supportive of a more dovish stance, or at the very least, a strong argument against any near-term monetary tightening. If the NBP has been leaning towards a neutral or slightly hawkish stance due to concerns about persistent inflation, this data point could decisively shift their perspective. The 0.06 %MoM figure suggests that underlying price pressures are softening, reducing the urgency for higher interest rates. Therefore, this data strongly supports the NBP either holding its current interest rates at upcoming meetings or, if broader economic conditions warrant, potentially even opening discussions around future easing. Traders will now be scrutinizing NBP communications, particularly any statements from Governor Adam Glapiński or Monetary Policy Council (MPC) members, for confirmation of this dovish pivot and any hints regarding the potential for rate cuts in the first half of 2026.

Looking Ahead

The December 2025 Inflation MoM reading of 0.06 %MoM sets a crucial precedent for the upcoming January 2026 release. With inflation pressures easing significantly at the close of 2025, the market will now be keenly watching for confirmation of this trend. A continued subdued reading in January would reinforce the dovish narrative for the National Bank of Poland (NBP) and further solidify expectations of an extended pause in interest rate hikes, or even a pivot towards easing.

Structurally, several factors will influence the trajectory of Polish inflation in the coming months. Energy prices, global supply chain dynamics, and the strength of domestic demand will remain critical. Any potential government fiscal measures, such as adjustments to VAT rates or energy subsidies, could also introduce volatility. Beyond the next CPI MoM release, market participants will be closely monitoring the NBP's next Monetary Policy Council meeting, typically held early in the month following data releases, for updated guidance and projections. Additionally, the release of industrial production data and retail sales figures will provide further insights into the health of the Polish economy and its capacity to generate inflationary pressures. The combination of these indicators will be vital in shaping the PLN's performance and the NBP's policy path through early 2026.

Track This Release

Access the full Inflation MoM (CPI) time series for PLN via the FXMacroData API:

curl "https://fxmacrodata.com/api/v1/announcements/pln/inflation_mom?api_key=YOUR_API_KEY"

See the Inflation MoM (CPI) endpoint documentation for full details, or explore the live dashboard.