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
24Q4 (20)4.0821.4350.00.21-8.75.022.31-17.68-33.3429.947.96-4.7175.755.5-10.77376.496.49-5.82
24Q3 (19)3.3634.9472.310.2321.0576.9227.10-25.88-41.9398.25-16.94-43.3271.80-17.9-45.54353.55-17.5-42.74
24Q2 (18)2.4922.66-7.780.1911.7611.7636.56-18.398.45479.47-7.81-8.6387.455.5919.47428.57-11.1-11.69
24Q1 (17)2.03-25.37-18.80.17-15.06.2544.8033.9323.31520.1015.27-7.0782.82-2.44-8.36482.0820.6-4.66
23Q4 (16)2.7239.49-34.620.2053.85-28.5733.45-28.2852.95451.19-35.7936.4984.89-35.6161.66399.75-35.2633.28
23Q3 (15)1.95-27.78-28.040.13-23.53-35.046.6438.3639.02702.6433.955.62131.8480.11118.68617.4427.2345.36
23Q2 (14)2.708.0-10.890.176.25-15.033.71-7.2112.07524.76-6.2417.6173.20-19.0124.11485.28-4.0316.3
23Q1 (13)2.50-39.9-13.790.16-42.860.036.3366.1215.59559.6969.310.0190.3872.1223.77505.6468.59-2.4
22Q4 (12)4.1653.5146.480.2840.040.021.87-34.81-31.87330.57-26.79-28.8152.51-12.9-7.62299.93-29.39-31.77
22Q3 (11)2.71-10.56-30.330.200.0-9.0933.5511.5443.25451.511.211.3160.292.2234.61424.771.810.55
22Q2 (10)3.034.48-27.340.2025.025.030.08-4.337.73446.17-20.28-20.0658.98-19.232.34417.27-19.46-20.12
22Q1 (9)2.902.11-30.620.16-20.014.2931.43-2.0944.37559.6520.53-13.6473.0228.476.15518.0617.85-13.8
21Q4 (8)2.84-26.99-44.530.20-9.0917.6532.1037.0680.64464.3414.48-15.456.8426.96.56439.6014.4-14.36
21Q3 (7)3.89-6.71-6.490.2237.546.6723.427.236.99405.62-27.33-32.5144.79-22.28-8.98384.25-26.44-33.02
21Q2 (6)4.17-0.248.880.1614.2945.4521.840.32-7.96558.15-13.87-34.5557.63-16.22-19.96522.37-13.08-35.07
21Q1 (5)4.18-18.3610.880.14-17.6527.2721.7722.51-9.74648.0318.06-18.1568.7928.97-7.37601.0017.08-18.96
20Q4 (4)5.1223.080.00.1713.330.017.77-18.820.0548.88-8.670.053.348.390.0513.31-10.520.0
20Q3 (3)4.168.620.00.1536.360.021.89-7.750.0600.98-29.530.049.21-31.650.0573.66-28.70.0
20Q2 (2)3.831.590.00.110.00.023.73-1.620.0852.837.720.072.00-3.040.0804.558.490.0
20Q1 (1)3.770.00.00.110.00.024.120.00.0791.730.00.074.260.00.0741.590.00.0
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)11.5529.190.7613.4331.59-22.63477.18-12.7576.46-13.91432.32-13.35
2023 (9)8.94-30.430.67-22.9940.8343.77546.9229.6488.8134.91498.9429.78
2022 (8)12.85-12.410.8719.1828.4014.15421.89-15.7965.839.83384.46-17.49
2021 (7)14.67-1.740.7335.1924.881.76501.00-25.6459.94-15.29465.95-25.74
2020 (6)14.9311.330.548.024.45-10.18673.79-7.7870.7617.21627.47-10.04
2019 (5)13.4113.840.5025.027.22-12.11730.65-20.8860.37-7.27697.49-21.58
2018 (4)11.7844.720.4025.030.97-30.92923.52-19.1965.10-38.09889.40-17.83
2017 (3)8.1413.850.32-27.2744.83-12.241142.7736.27105.152.421082.4437.54
2016 (2)7.155.150.442.3351.08-4.79838.60-1.83102.67-24.21787.021.9
2015 (1)6.80-2.440.43-6.5253.652.5854.208.33135.47-14.57772.3813.21

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