玩股撇步(動畫小學堂)  

  • 收帳和銷貨天數如果一直上升, 就要當心了!
  • 存貨在不同時期有不同的意義, 像是滯銷, 或是因為報價回升而屯貨, 或是積極備料, 這都需要去看存貨細項和判斷當時的情況來分辨
  • 當存貨增加時, 還需要注意增加的是不是商品或製成品. 如果是在製品或原物料, 反而有可能是供給不順沒法變製成品又或者是需求旺盛(短期營收趨勢向上)
  • 處在景氣下行的公司當存貨細項-原料和在製品的回升可能代表訂單開始回溫了
  • 當記憶體模組廠, 像是威剛、十銓存貨增加時, 有可能是在增加低價庫存, 代表著景氣循環來到相對低點, 也許就是建立部位的好時機
  • 當存貨提列減損損失,虧損認列在該年度,但是存貨價格回升後,之後年度也會直接回沖增加EPS,這種情況很容易在記憶體模組廠見到
  • 存貨一直增加,但是存貨銷售比沒什麼改變,可以推測是公司因為銷售良好而準備的存貨
  • 當淨營業週期(日)接近於0, 代表公司好像在做無本生意
平均收帳天數和平均銷貨天數-近20季
存貨銷售比
近3年股價
應收帳款周轉率 QoQ YoY存貨周轉率 QoQ YoY平均收帳天數 QoQ YoY平圴銷貨天數 QoQ YoY應付帳款付現天數 QoQ YoY淨營業週期(日) QoQ YoY
25Q1 (20)0.69-14.8113.111.80-22.419.76131.5817.41-11.4450.6428.92-8.86135.3224.02-4.4646.9011.03-24.94
24Q4 (19)0.811.25-11.962.329.957.41112.07-1.0312.9239.28-8.99-6.85109.11-0.9810.3742.24-8.59-0.75
24Q3 (18)0.80-4.761.272.116.0325.6113.243.94-1.243.16-5.58-20.38110.192.26-5.9546.21-1.47-10.53
24Q2 (17)0.8437.73.71.9921.3422.84108.95-26.67-2.5645.71-17.73-18.84107.76-23.92-3.2346.90-24.94-17.39
24Q1 (16)0.61-33.7-16.441.64-24.0720.59148.5749.6919.1455.5631.75-16.85141.6443.2726.0362.4846.8-21.05
23Q4 (15)0.9216.4624.322.1628.5747.9599.25-13.4-19.7842.17-22.21-32.398.86-15.62-0.8842.56-17.6-50.67
23Q3 (14)0.79-2.478.221.683.718.31114.612.5-8.6354.21-3.75-15.64117.165.219.3651.65-9.02-37.43
23Q2 (13)0.8110.963.851.6219.123.18111.81-10.34-3.8656.32-15.71-2.78111.36-0.929.5756.77-28.27-21.8
23Q1 (12)0.73-1.350.01.36-6.85-11.11124.700.790.5266.827.2712.49112.3912.6812.279.14-8.26-4.98
22Q4 (11)0.741.37-10.841.462.82-12.05123.72-1.3613.2762.29-3.0713.999.74-6.911.2386.274.5116.19
22Q3 (10)0.73-6.410.01.42-9.55-4.7125.437.850.6464.2610.935.22107.135.415.7382.5513.71-2.17
22Q2 (9)0.786.859.861.572.61-2.48116.30-6.26-9.6757.93-2.472.71101.631.465.0472.60-12.83-17.86
22Q1 (8)0.73-12.051.391.53-7.83-9.47124.0613.58-2.1859.408.6110.29100.1711.710.4383.2912.182.92
21Q4 (7)0.8313.7-6.741.6611.41-17.0109.23-12.367.2254.69-10.4520.289.67-11.54.7874.25-12.0120.17
21Q3 (6)0.732.82-10.981.49-7.45-20.32124.63-3.212.5661.078.2825.76101.324.7211.9184.38-4.5422.75
21Q2 (5)0.71-1.39-26.041.61-4.73-15.26128.751.5236.3456.404.7217.8996.75-3.017.088.399.2248.36
21Q1 (4)0.72-19.10.01.69-15.50.0126.8224.490.053.8618.370.099.7416.550.080.9330.980.0
20Q4 (3)0.898.540.02.006.950.0101.87-7.990.045.50-6.30.085.58-5.480.061.79-10.110.0
20Q3 (2)0.82-14.580.01.87-1.580.0110.7217.250.048.561.510.090.549.490.068.7415.370.0
20Q2 (1)0.960.00.01.900.00.094.430.00.047.840.00.082.690.00.059.580.00.0
平均收帳天數和平均銷貨天數-近10年
應收帳款周轉率 YoY存貨周轉率 YoY平均收帳天數 YoY平圴銷貨天數 YoY應付帳款付現天數 YoY淨營業週期(日) YoY
2024 (10)2.78-7.648.3520.66131.148.2443.69-17.13125.6713.2849.16-21.88
2023 (9)3.01-7.676.9210.9121.168.1852.72-9.93110.9413.9462.93-13.98
2022 (8)3.265.56.24-5.17112.00-5.2358.535.5797.37-2.2373.16-1.18
2021 (7)3.090.656.58-8.36118.18-0.6855.448.9899.595.9174.03-2.37
2020 (6)3.0738.917.1820.27118.99-28.0550.87-16.8194.032.0575.83-43.58
2019 (5)2.211.385.97-15.08165.39-1.1461.1517.7892.142.21134.404.13
2018 (4)2.182.357.03-18.45167.30-2.1551.9222.690.150.91129.074.11
2017 (3)2.13-15.488.6210.65170.9718.2442.35-9.6489.3418.13123.987.04
2016 (2)2.520.87.7915.41144.59-0.9946.87-13.2875.63-14.45115.833.71
2015 (1)2.50-8.096.751.66146.048.9854.05-1.6288.408.21111.694.13

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