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
24Q3 (20)1.47-3.92-5.770.6516.0744.4461.993.896.2141.01-13.07-29.6441.77-13.88-8.62161.22-7.01-24.34
24Q2 (19)1.533.38-9.470.5616.6751.3559.67-2.9310.87162.21-13.73-34.0948.50-5.354.28173.38-12.55-31.58
24Q1 (18)1.48-0.672.070.48-2.0460.061.470.94-2.26188.031.72-38.1351.243.56-10.42198.261.01-35.96
23Q4 (17)1.49-4.496.430.498.8975.060.904.33-6.44184.85-7.77-42.9849.488.25-46.09196.27-7.89-34.03
23Q3 (16)1.56-7.6924.80.4521.6215.3858.378.45-20.14200.42-18.56-13.045.71-1.72-59.33213.08-15.9211.51
23Q2 (15)1.6916.553.680.3723.33-53.7553.82-14.42-3.48246.11-19.01117.3946.51-18.69-33.63253.42-18.14156.26
23Q1 (14)1.453.57-12.120.307.14-67.7462.89-3.3813.73303.89-6.26209.357.20-37.68-8.39309.584.06239.79
22Q4 (13)1.4012.0-9.090.28-28.21-71.4365.09-10.9510.32324.2040.72249.3291.78-18.3445.13297.5155.69235.94
22Q3 (12)1.25-23.31-22.840.39-51.25-62.573.0931.0830.42230.38103.5162.51112.3960.3775.17191.0993.23139.94
22Q2 (11)1.63-1.21-3.550.80-13.98-23.8155.760.833.74113.2115.2330.9270.0812.2410.4198.898.5428.83
22Q1 (10)1.657.145.770.93-5.1-10.5855.30-6.27-5.198.255.8612.562.44-1.270.5891.112.889.09
21Q4 (9)1.54-4.94-3.140.98-5.77-5.7759.005.282.8492.815.755.9663.24-1.434.7288.5611.24.72
21Q3 (8)1.62-4.145.881.04-0.95-2.856.044.26-5.8287.761.493.564.161.096.5279.643.75-5.26
21Q2 (7)1.698.33-13.331.050.96-4.5553.75-7.7615.4286.47-0.984.6663.472.2438.776.76-8.09-7.99
21Q1 (6)1.56-1.89-0.641.040.060.058.271.570.2287.33-0.3-37.7362.082.86.883.52-1.24-40.46
20Q4 (5)1.593.9215.221.04-2.860.057.37-3.58-12.987.593.3-37.4460.390.27-13.8984.570.61-37.7
20Q3 (4)1.53-21.540.01.07-2.730.059.5027.760.084.792.630.060.2331.620.084.060.760.0
20Q2 (3)1.9524.20.01.1069.230.046.57-19.90.082.62-41.090.045.76-21.280.083.43-40.520.0
20Q1 (2)1.5713.770.00.650.00.058.14-11.740.0140.250.170.058.13-17.110.0140.273.330.0
19Q4 (1)1.380.00.00.650.00.065.870.00.0140.010.00.070.130.00.0135.750.00.0
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
2023 (10)6.54-1.511.65-19.955.831.62221.5925.149.19-19.12228.2333.27
2022 (9)6.64-2.062.06-48.3754.942.12177.1393.5860.82-2.36171.25106.3
2021 (8)6.783.23.9913.6853.80-3.191.50-11.9362.292.9183.01-16.05
2020 (7)6.573.633.518.6755.52-3.58103.90-8.0660.53-16.998.881.15
2019 (6)6.343.433.23-19.0557.58-3.36113.0123.5172.84-7.4897.7635.12
2018 (5)6.13-2.853.99-9.3259.582.9491.5010.2878.737.8172.356.68
2017 (4)6.3115.574.408.6457.88-13.4882.97-8.0473.03-3.9367.82-16.37
2016 (3)5.460.374.054.6566.90-0.2890.22-4.2776.020.6281.10-5.44
2015 (2)5.44-16.823.87-9.5867.0920.1794.2410.4375.5512.8185.7715.61
2014 (1)6.5418.694.2841.7255.83-15.6985.34-29.3866.97-8.0874.19-35.04

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